Shell: 100% Woven Polyester; Fill: Polyester Fibers; Lining: 100% Non-woven Polypropylene; Foam: 100% Polyurethane PREMIUM PATIO CUSHION: Fits in spaces designed for wide back lounge cushion cover up to 21"W x 20"H x 4"T 1-YEAR LIMITED WARRANTY: We provide a One-Year Limited Warranty on our Montlake FadeSafe Covers MONTLAKE FADESAFE FABRIC SYSTEM: Montlake FadeSafe fabric is a solution-dyed fabric that is resistant to fading; a water-resistant coating and backing resists stains and helps keep rain out; quilting adds an elegant touch to your seat COMFORTABLE CUSHION FOAM: 3-Layered seat foam is designed for comfort and support; outer layers of open-cell foam enclose a high density core that is resilient but conforms to your shape CONVENIENT CUSHION FEATURES: Zippers lock and store in protective garages; bound interior seams provide strength demanding joints Please note that this style does not come with the click-close strap attachment system Durable fabric provides protection from harmful UV rays