50% Polyester, 50% Bamboo Viscose Dimensions: 21in W x 40 in L x 5 in T (Back: 21 in W x 21 in H and Seat: 22 in W x 19 in L) Plant-based fabric made from earthFIBER contains 50% bamboo viscose and 50% polyester Skin-Safe PFAS-Free C0 Treatment Polyfill inside cushion made from recycled plastic bottles Fits most standard outdoor dining chairs 4 sets of ties to keep your cushion firmly in place 1-Year limited fabric warranty Cleans easily with soap and water