This silky soft and smooth comforter has its fabric and filling made with fibers obtained from wood (Tencel). Tencel is a trademarked lyocell (rayon) fabric that is 100% biodegradable and is made from sustainably harvested trees. Tencel is naturally antimicrobial and moisture wicking. Cover is made from 100% Tencel and fill is made with 30% Tencel and 70% hollow spiral siliconized polyester fiber. Made in Poland by the family-owned Inter-Widex company.