Polysoft Polyester Dimensions: 21 in W x 21 in L x 4 in D Eco-friendly PFAS-Free C0 Treatment Filled with partially recycled polyester fiber fill that helps retain shape over time Fits most standard outdoor chairs, dining chairs, and adirondacks 100% polyester outdoor fabric treated with enhanced UV protection to resist fading Two sets of ties keep your cushion firmly in place 1-Year limited fabric warranty Cleans easily with soap and water