Polyester Blend DURABLE PATIO CUSHION SET: Cushions measure 23"W x 23"D x 5"Thick (seat), 21"W x 20"H x 4"Thick (back) PATIO CUSHIONS WITH WARRANTY: We provide a one-year limited warranty MONTLAKE FADESAFE FABRIC SYSTEM: Montlake FadeSafe solution-dyed fabric is both stylish and engineered to resist fading. The rich, coordinating colors complement any outdoor setting WATER-RESISTANT COATING AND BACKING: Resists stains, helps keep out the rain, and protects your cushion from the elements PATENTED ATTACHMENT SYSTEM: Our patented strapping system allows for easy adjustment; the click-close buckles keep your cushions exactly where you want them (seat cushion only) DOUBLE STITCHED CONSTRUCTION: Double-stitched seams add strength to your cushion. Bound interior seams are engineered to provide durability while piping adds a sophisticated look LOCKING ZIPPERS: Zippers lock to keep a tight closure. They are stored in protective zipper garages to prevent scratching your furniture and offer a clean look PRODUCT SELECTION: 28 sizes and shapes to fit most patio furniture UPDATE WITH EASE: With the Classic Accessories Montlake Cushion Collection, you can refresh your cushions by choosing a new cover or foam to match any occasion. Durable fabric provides protection from harmful UV rays