Wool Carpet

Wool Carpet Market Outlook

The global wool carpet market is projected to reach approximately USD 8.5 billion by 2035, growing at a compound annual growth rate (CAGR) of around 4% from 2025 to 2035. This growth can be attributed to the increasing demand for sustainable and environmentally friendly flooring options, alongside rising consumer awareness about the benefits of wool carpets, including their durability, comfort, and aesthetic appeal. Furthermore, the luxurious feel of wool carpets and their versatility across various settings contribute significantly to market growth. The surge in construction and renovation activities worldwide, particularly in emerging economies, is also driving the demand for wool carpets. Additionally, innovations in manufacturing processes and designs are expected to create more appealing products for consumers, further bolstering market growth.

Growth Factor of the Market

The growth of the wool carpet market can be primarily attributed to several factors that resonate with current consumer trends and preferences. Firstly, the heightened emphasis on sustainable living has prompted consumers to seek products made from natural materials, which has led to increased demand for wool carpets known for their eco-friendly properties. Secondly, the aesthetic versatility of wool carpets, available in a wide range of colors, patterns, and textures, has made them a popular choice for both residential and commercial spaces. Thirdly, the growing construction and real estate sectors are providing new opportunities for the wool carpet market, as builders and interior designers increasingly opt for high-quality flooring solutions that add value and luxury to interiors. Additionally, advancements in technology have improved the production processes, enabling manufacturers to offer improved durability and ease of maintenance in wool carpets. Finally, the rising trend of home renovation and interior design also fosters the growth of this market, as homeowners seek to enhance their living spaces.

Key Highlights of the Market

• The global wool carpet market is expected to reach USD 8.5 billion by 2035.
• Residential applications hold a significant share in the market due to increasing home renovations.
• Tufted wool carpets are leading the product type segment due to their affordability and versatility.
• Online distribution channels are growing rapidly, catering to the evolving shopping habits of consumers.
• Natural wool fiber is preferred for its durability and comfort, driving its demand in the market.

By Product Type

Woven Wool Carpet:

Woven wool carpets are known for their intricate designs and superior craftsmanship, making them a premium choice in the market. These carpets are produced using traditional weaving techniques that result in highly durable and long-lasting products. Their robust nature allows them to withstand high foot traffic, which makes them particularly suitable for commercial and hospitality applications. Additionally, woven wool carpets are often favored for their ability to retain their appearance over time and resist staining, which adds to their appeal for consumers looking for both aesthetic and functional flooring solutions. The ongoing demand for personalized designs and bespoke products is also driving growth in this segment, as customers seek unique, high-quality carpets that reflect their individual style.

Tufted Wool Carpet:

Tufted wool carpets represent a significant portion of the wool carpet market due to their cost-effectiveness and variety in styles. These carpets are manufactured by inserting yarn into a backing material, which allows for faster production compared to woven carpets. As a result, tufted wool carpets are more affordable, making them accessible to a broader consumer base. They are available in various textures and patterns, catering to different tastes and preferences. Their soft feel and warmth make them a popular choice for residential applications, particularly in living rooms and bedrooms, where comfort is a priority. Furthermore, advancements in tufting technology are also improving the durability and ease of maintenance of these carpets, making them increasingly appealing to consumers.

Knotted Wool Carpet:

Knotted wool carpets are regarded as a luxurious option within the market, characterized by their intricate designs and artisan craftsmanship. These carpets are hand-knotted, which requires considerable skill and time, resulting in high-quality rugs that are often passed down through generations. The durability and rich texture of knotted wool carpets make them ideal for high-end residential and commercial settings. Moreover, their unique patterns and colors can enhance the overall aesthetic of any space, appealing to consumers looking for distinctive designs. The growing interest in traditional artisan crafts is also promoting the demand for knotted wool carpets, as they provide an element of authenticity and sophistication in interior décor.

Felted Wool Carpet:

Felted wool carpets have gained popularity due to their environmentally friendly production process and distinct texture. Made from compressed wool fibers, these carpets provide a soft, warm, and cushioned surface, making them comfortable for both residential and commercial use. Their natural properties make them resistant to moisture, dust, and allergens, appealing to health-conscious consumers. Felted carpets can often be produced in various colors and patterns, allowing for customization to fit different interior designs. The sustainability trend in flooring materials is also bolstering the felted wool carpet segment, as consumers increasingly seek eco-friendly options that do not compromise on quality or aesthetics.

Needle Felted Wool Carpet:

Needle felted wool carpets are produced using a needle-punching technique that intertwines wool fibers to create a dense, durable fabric. These carpets are known for their resilience and are suitable for high-traffic areas such as commercial spaces, offices, and retail environments. The manufacturing process allows for a wide variety of textures and thicknesses, catering to diverse consumer needs. Additionally, needle felted carpets are often easy to maintain, making them practical for busy households and commercial settings. As the market trend shifts towards functional yet stylish flooring options, needle felted wool carpets are becoming an attractive choice for environmentally conscious consumers looking for durability and ease of care.

By Application

Residential:

The residential application segment is one of the largest in the wool carpet market, driven by the increasing popularity of home renovations and décor enhancements. Wool carpets are favored in residential settings for their comfort, warmth, and aesthetic appeal. Homeowners are increasingly choosing wool carpets for living rooms, bedrooms, and hallways due to their luxurious feel and ability to enhance interior designs. Additionally, wool carpets provide excellent insulation, helping to regulate indoor temperatures and reduce energy costs. As consumers become more educated about the benefits of wool flooring, including its hypoallergenic properties and natural stain resistance, the demand for these carpets in residential applications continues to grow.

Commercial:

In the commercial sector, wool carpets are appreciated for their durability and resilience in high-traffic environments such as offices, hotels, and retail spaces. Due to their ability to withstand wear and tear while maintaining an attractive appearance, wool carpets are an ideal choice for businesses that prioritize aesthetics and functionality. Furthermore, the natural sound-absorbent qualities of wool carpets can contribute to a quieter and more comfortable working environment, thus enhancing productivity. With the growing trend towards eco-friendly and sustainable workplace solutions, the demand for wool carpets in commercial applications is expected to rise significantly, as businesses increasingly seek products that reflect their commitment to sustainability.

Industrial:

The industrial application segment for wool carpets is relatively niche, but it is gaining traction due to the need for specialized flooring solutions that offer durability and safety. Wool carpets can be engineered to meet industrial standards, providing slip resistance and thermal insulation, which are essential in various industrial settings. The use of wool carpets in areas such as laboratories, clean rooms, and production facilities highlights their versatility and functional benefits. As industries continue to evolve and focus on employee comfort and safety, the demand for wool carpets that can withstand harsh conditions while providing a pleasant working environment is likely to increase.

Hospitality:

In the hospitality industry, wool carpets are often utilized for their luxurious appearance and durability, making them a popular choice for hotels, restaurants, and event spaces. The ability of wool carpets to absorb sound and create a warm atmosphere enhances the overall guest experience, contributing to customer satisfaction and comfort. Additionally, the wide range of designs available allows hospitality establishments to create unique and inviting environments that align with their branding and theme. As the hospitality sector continues to rebound post-pandemic, the demand for high-quality wool carpets is expected to rise, driven by the need for aesthetic appeal combined with practicality.

Automotive:

The automotive application of wool carpets is a growing niche within the market, as manufacturers seek to enhance the interior quality of vehicles. Wool carpets used in vehicles provide a luxurious feel, sound insulation, and thermal regulation, contributing to passenger comfort. The use of natural fibers in automotive interiors aligns with the broader trend of sustainability and eco-friendliness that is becoming more prevalent in the automotive industry. As consumer preferences shift towards higher-quality materials in vehicles, the demand for wool carpets in automotive applications is expected to grow. Additionally, advancements in technology may lead to the development of innovative wool carpet solutions tailored specifically for automotive use, further promoting their adoption.

By Distribution Channel

Online Stores:

Online stores are rapidly becoming a favored distribution channel for wool carpets, driven by the convenience and accessibility they offer to consumers. E-commerce platforms allow customers to browse a vast selection of products from the comfort of their homes, compare prices, and read reviews before making a purchase. This trend is particularly appealing to younger consumers who prioritize digital shopping experiences. Furthermore, online retailers often provide competitive pricing and exclusive deals, making it an attractive option for budget-conscious consumers. The growth of home delivery services and improved return policies have further bolstered the online shopping experience, promoting the rise of online sales in the wool carpet market.

Specialty Stores:

Specialty stores play a crucial role in the wool carpet distribution landscape, offering curated selections of high-quality carpets accompanied by expert advice. These stores typically provide a more personalized shopping experience, allowing consumers to explore various styles, textures, and materials in person. Knowledgeable staff can assist customers in making informed choices based on their specific needs and preferences. Additionally, specialty stores often carry unique or artisanal products that may not be available in larger retail chains, catering to consumers seeking distinctive options. As the market for wool carpets continues to grow, specialty stores remain an essential channel for those looking for high-quality, tailored flooring solutions.

Home Improvement Stores:

Home improvement stores serve as a significant distribution channel for wool carpets, appealing to DIY enthusiasts and homeowners embarking on renovation projects. These retailers typically carry a diverse range of flooring options, including wool carpets, and provide customers with the ability to see and feel products before purchasing. The convenience of being able to find all necessary home improvement supplies under one roof enhances the shopping experience. Additionally, many home improvement stores offer installation services, making it easier for consumers to complete their projects. As home renovations continue to be a priority for many homeowners, the demand for wool carpets through this channel is expected to rise.

Department Stores:

Department stores have traditionally been a popular distribution channel for various consumer goods, including wool carpets. These retailers often feature a dedicated home goods section that includes a selection of carpets and rugs in various styles and sizes. The advantage of shopping at department stores is the opportunity to explore multiple brands and products in one location, making it easier for consumers to compare options. While the growth of e-commerce has impacted department store sales, many continue to offer promotions and sales events that attract customers looking for high-quality products. As department stores adapt to changing consumer preferences, they remain a relevant channel for wool carpet distribution.

Direct Sales:

Direct sales involve manufacturers or distributors selling wool carpets directly to consumers, often through trade shows, exhibitions, or personal consultations. This distribution approach allows for a more tailored customer experience, where consumers can engage with representatives who provide expert advice and detailed product information. Direct sales also enable manufacturers to build strong relationships with their customers, fostering brand loyalty and trust. As the market for wool carpets continues to evolve, the direct sales channel is expected to maintain its relevance, particularly among consumers who appreciate personalized service and the opportunity to explore unique product offerings.

By Fiber Type

Natural Wool:

Natural wool fibers are favored for their luxurious texture, durability, and inherent properties that make them ideal for use in carpets. Being a renewable resource, natural wool is highly sought after by environmentally conscious consumers who prioritize sustainable products. Wool carpets made from natural fibers offer excellent insulation, moisture-wicking capabilities, and resistance to dust mites and allergens, making them a healthier choice for indoor environments. Additionally, natural wool carpets maintain their appearance over time, resisting fading and wear, which adds to their appeal in both residential and commercial settings. As consumer demand for organic and natural products continues to grow, the market for carpets made from natural wool is expected to see a steady increase.

Blended Wool:

Blended wool carpets combine natural wool fibers with synthetic materials to enhance durability and affordability. This fiber type offers the best of both worlds, providing the luxurious feel of wool while incorporating the resilience and stain resistance of synthetic fibers. Blended wool carpets are particularly attractive to consumers looking for high-quality products at a more accessible price point. The blending process allows for a variety of textures and styles, catering to diverse consumer preferences. As the demand for versatile and cost-effective flooring solutions increases, blended wool carpets are likely to gain a larger share of the overall wool carpet market.

By Region

The wool carpet market exhibits diverse trends across various regions, significantly influenced by cultural preferences, economic development, and consumer awareness. North America stands out as a significant market for wool carpets, with an increasing focus on sustainable and eco-friendly home décor. The region has witnessed a CAGR of around 3.5%, driven by rising home improvement trends and a growing affinity for premium flooring options. Europe, being a traditional market for carpets, continues to showcase a robust demand for both modern and classic designs, with particular popularity in countries such as Germany and the UK. The European market is expected to maintain a steady growth rate, owing to the high consumer spending on home aesthetics.

In Asia Pacific, the wool carpet market is expected to exhibit the highest growth rate over the forecast period, fueled by rapid urbanization and rising disposable incomes. Countries like China and India are witnessing a rise in demand for high-quality flooring solutions as the middle class expands and homeownership rates increase. Latin America and the Middle East & Africa are also emerging markets for wool carpets, where growing awareness of the benefits of wool as a natural flooring material is driving adoption. However, these regions still lag behind North America and Europe in terms of market size but show promising growth potential due to evolving consumer preferences.

Opportunities

Opportunities within the wool carpet market are primarily driven by the increasing consumer demand for sustainable and eco-friendly flooring solutions. As more consumers become environmentally conscious, there is a notable shift towards flooring products made from natural materials like wool. This trend is not just limited to residential spaces; commercial sectors are also increasingly seeking sustainable options to align with corporate social responsibility goals. Additionally, the rise of e-commerce presents substantial opportunities for manufacturers and retailers to reach a broader audience. By leveraging online platforms, companies can showcase their products to potential customers who may not have access to specialty stores, significantly enhancing their market reach. Moreover, potential growth in the hospitality and automotive sectors, where luxury and sustainability are becoming more valued, opens new doors for innovation and tailored product offerings.

Furthermore, advancements in manufacturing technologies are creating opportunities for the production of high-quality wool carpets at competitive prices. Innovations that enhance durability, ease of maintenance, and aesthetic appeal can attract a wider consumer base, including those who might have previously opted for synthetic alternatives. Additionally, customization options are increasingly appealing to consumers looking for unique designs that reflect their personal style. This trend toward personalized products is expected to drive further growth in the wool carpet market as manufacturers explore ways to cater to individual preferences while maintaining cost-effectiveness. Overall, the combination of sustainability, technological advancements, and shifting consumer preferences presents a wealth of opportunities for stakeholders in the wool carpet industry.

Threats

Despite the positive outlook for the wool carpet market, several threats could pose challenges to growth. One of the primary threats is the rising competition from synthetic carpets, which are often more affordable and can be produced in larger quantities. Synthetic carpets offer various advantages, including stain resistance, easier maintenance, and a broader range of design options. As consumers increasingly prioritize affordability and convenience, there is a risk that demand for wool carpets may decline, particularly among budget-conscious buyers. Additionally, fluctuations in raw material prices, including wool, can impact the production costs and profitability of wool carpet manufacturers, leading to increased prices for consumers and potentially reduced sales.

Another significant threat lies in the changing preferences of consumers who are increasingly influenced by trends in interior design. If synthetic alternatives continue to gain popularity or if new flooring materials emerge that offer superior performance and aesthetics, the wool carpet market could face declining demand. Additionally, the economic impact of global events, such as recessions or pandemics, can lead to reduced consumer spending on non-essential items like carpets, further threatening market growth. Manufacturers must remain vigilant and adaptable to these trends and challenges to sustain their market position and continue meeting consumer needs effectively. Consequently, addressing these threats will require strategic planning and innovation within the wool carpet industry.

Competitor Outlook

• Mohawk Industries
• Shaw Industries Group, Inc.
• Interface, Inc.
• Karastan Rugs
• Durkan
• Rug & Kilim
• Masland Carpets
• Godfrey Hirst
• Stark Carpet
• Couristan
• Rug Studio
• Royal Dutch Carpet
• Jab Anstoetz
• The Wool Carpet Company
• Harcourts Wool Carpets

The competitive landscape of the wool carpet market is characterized by a mix of established players and emerging brands, all striving to capture consumer interest through innovation, quality, and sustainability. Major companies like Mohawk Industries and Shaw Industries Group dominate the market, leveraging extensive distribution networks and robust manufacturing capabilities to meet varied consumer demands. Their focus on research and development has allowed them to create durable and high-quality wool carpets that appeal to both residential and commercial sectors. Additionally, these companies often engage in marketing strategies that emphasize the environmental benefits of wool carpets, which resonate with an increasingly eco-conscious consumer base.

Emerging brands and specialized companies are also carving out their niche within the market by offering unique and artisanal wool carpets that emphasize craftsmanship and design. For example, companies like Stark Carpet and Rug & Kilim focus on high-end luxury carpets, catering to affluent consumers looking for exclusive and customized options. These brands differentiate themselves through limited editions, bespoke designs, and exceptional customer service, allowing them to compete effectively against larger, more established manufacturers. Furthermore, these smaller companies often capitalize on the growing trend of sustainability, promoting their use of natural fibers and eco-friendly production processes to attract environmentally aware consumers.

Additionally, the increasing popularity of online shopping is reshaping the competitive landscape, as more companies are establishing a strong online presence to reach a broader customer base. Brands that effectively combine e-commerce with traditional retail strategies are likely to find success in the evolving market. As the wool carpet market continues to grow, stakeholders must remain agile, focusing on innovation, sustainability, and customer engagement to maintain a competitive edge. The collaboration between established manufacturers and innovative startups can open new avenues for growth and enhance the overall market presence of wool carpets.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Durkan
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Couristan
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Rug Studio
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 Rug & Kilim
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Jab Anstoetz
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Stark Carpet
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Godfrey Hirst
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Karastan Rugs
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 Interface, Inc.
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Masland Carpets
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Mohawk Industries
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Royal Dutch Carpet
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Harcourts Wool Carpets
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 The Wool Carpet Company
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 Shaw Industries Group, Inc.
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Wool Carpet Market, By Fiber Type
    • 6.1.1 Natural Wool
    • 6.1.2 Blended Wool
  • 6.2 Wool Carpet Market, By Application
    • 6.2.1 Residential
    • 6.2.2 Commercial
    • 6.2.3 Industrial
    • 6.2.4 Hospitality
    • 6.2.5 Automotive
  • 6.3 Wool Carpet Market, By Product Type
    • 6.3.1 Woven Wool Carpet
    • 6.3.2 Tufted Wool Carpet
    • 6.3.3 Knotted Wool Carpet
    • 6.3.4 Felted Wool Carpet
    • 6.3.5 Needle Felted Wool Carpet
  • 6.4 Wool Carpet Market, By Distribution Channel
    • 6.4.1 Online Stores
    • 6.4.2 Specialty Stores
    • 6.4.3 Home Improvement Stores
    • 6.4.4 Department Stores
    • 6.4.5 Direct Sales

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Wool Carpet Market by Region
  • 10.3 Asia Pacific - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 India
      • 10.3.1.2 China
      • 10.3.1.3 Japan
      • 10.3.1.4 South Korea
  • 10.4 Latin America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 Brazil
      • 10.4.1.2 Argentina
      • 10.4.1.3 Mexico
  • 10.5 North America - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 USA
      • 10.5.1.2 Canada
  • 10.6 Middle East & Africa - Market Analysis
    • 10.6.1 By Country
      • 10.6.1.1 Middle East
      • 10.6.1.2 Africa

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Wool Carpet market is categorized based on

By Product Type

• Woven Wool Carpet
• Tufted Wool Carpet
• Knotted Wool Carpet
• Felted Wool Carpet
• Needle Felted Wool Carpet

By Application

• Residential
• Commercial
• Industrial
• Hospitality
• Automotive

By Distribution Channel

• Online Stores
• Specialty Stores
• Home Improvement Stores
• Department Stores
• Direct Sales

By Fiber Type

• Natural Wool
• Blended Wool

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Mohawk Industries
• Shaw Industries Group, Inc.
• Interface, Inc.
• Karastan Rugs
• Durkan
• Rug & Kilim
• Masland Carpets
• Godfrey Hirst
• Stark Carpet
• Couristan
• Rug Studio
• Royal Dutch Carpet
• Jab Anstoetz
• The Wool Carpet Company
• Harcourts Wool Carpets