Product Catalog: Knoll: Knoll Textiles: Environmental Fabrics Categories Environmental Drapery Fabrics Our environmental fabrics contain 49%+ recycled content or 75%+ natural fiber and may contribute to LEED certification. Additional drapery fabrics not shown here have some recycled content or natural fiber. All KnollTextiles drapery fabrics are Greenguard certified for low chemical emissions. Environmental Panel Fabrics Our environmental panel fabrics contain 49%+ recycled content and may contribute to LEED certification. All KnollTextiles panel systems fabrics are Greenguard certified for low chemical and particle emissions. Environmental Upholstery Fabrics Our environmental fabrics contain 49%+ recycled content or 75%+ natural fiber and may contribute to LEED certification. Additional upholstery fabrics not shown here have some recycled content or natural fiber. All KnollTextiles upholstery fabrics are Greenguard certified for low chemical emissions. Environmental Wallcovering Our environmental fabrics contain 49%+ recycled content or 75%+ natural fiber. Additional wallcovering fabrics not shown here have some recycled content or natural fiber. These products may contribute to LEED certification.