Using recycled materials can help reduce the impact of its production by conserving resources and diverting waste from landfills. Our recycled nylon is typically made with pre-consumer waste. Known for its durability, nylon can withstand frequent washing and wear without losing its shape. Outer Layer: 86% Recycled Nylon, 14% Elastane Inner Layer: 100% Recycled Polyester - We recommend using a GUPPYFRIEND Washing Bag, as all synthetic products release plastic microfibers into the environment during washing - Machine wash cold gentle cycle. - Wash with like colors. - Do not bleach. - Do not iron. - Do not dry clean.