100% polyester with an acrylic based polymer backing (green AUTOCLAVE backing. Non-allergenic, Non-toxic, Non-irritant, Does not support bacterial growth, Recommended machine washing for prolonged use is 40°C (however fabric is designed to withstand up to 135°C), Cool tumble dry, Dries fast for quick reuse, Flame retardant, Resistant to permanent staining, This is the hardest wearing vet/dry bed money can buy – just lasts and lasts!