2-piece set include 1 back pillow and 1 seat bottom Dimensions Pillow: 23 in W x 17 in L x 5 in T and Seat: 21 in W x 21 in H x 4 in T Eco-friendly PFAS-Free C0 Treatment Recycled Polyfill in pillow and partially recycled polyester fill in seat Fits most standard outdoor dining chairs 100% polyester fabric 2 sets of ties to keep your cushion firmly in place 1-Year limited fabric warranty Cleans easily with soap and water