100% Polypropylyene SOFT SUPPORT: Breathable polyester fabric over 2" thick foam filled core for cushioned comfort STAYS IN PLACE: Rear elastic strap keeps the cushion securely fastened to your chair when sitting or standing DURABLE: Long-lasting fade and weather-resistant materials for year-round use EASY CARE: Wipe clean with a damp cloth or remove zippered covers to had wash and air dry PRODUCT MEASUREMENTS: Overall Size: 19.25"W x 47.25"D x 2"H; No Assembly Required