Slip Cover: 100% Woven Polyester, Foam Cover: 100% Polypropylene, Foam: 100% Polyurethane DURABLE OUTDOOR CUSHION: Cushion measures 48"W x 18"D x 3"Thick PATIO CUSHIONS with WARRANTY: One-year limited warranty GARDELLE ONE FABRIC SYSTEM: Gardelle One is a solution-dyed durable woven polyester fabric with a protective water repellent coating and water-resistant laminated backing WATER-REPELLENT COATING AND BACKING: Water-repellent coating resists stains and helps keep rain out and your cushion foam protected HEAVY-DUTY OUTDOOR CUSHIONS: Bound interior seams are engineered to provide strength and durability at the most demanding joints LOCKING ZIPPERS: Zippers lock to keep a tight closure and make stuffing the cushion easier 3-LAYERED CUSHION FOAM: Foam is designed for comfort and support, with outer layers of open-cell foam enclosing a high-density core that is resilient but conforms to your shape Please note that this style does not come with the click-close strap attachment system Durable fabric provides protection from harmful UV rays