"DURABLE OUTDOOR CUSHION SLIP COVER: Cushion slip cover measures 48""L x 18""W 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"