Polyester Blend Your cushion measures up to 21"W x 15"H x 4"Thick* The durable, shredded foam is luxuriously comfortable and built to last FadeSafe fabrics help to protect your cushion from water, stains, and the sun A locking zipper keeps closures secure and comes with a zipper garage, providing a clean look We provide a one-year limited warranty; please note the foam will need to be stuffed into the cover upon arrival *Dimensions may vary. Please allow 24-48 hours for your product to expand fully after unpacking; please note the foam will need to be stuffed into the cover upon arrival COMPLETE YOUR OUTDOOR OASIS: Looking for the entire patio set? Our extensive collection includes: outdoor cushions, patio furniture cushions, and wide seat back cushion