AmazonBasics Lounge Deep-Seat Patio Cover (Set of 2) 100% woven polyester fabric with a laminated undercoating to minimize rain from seeping through Cover protects against rain, snow and other outdoor elements Using click-close straps, cover easily snaps around furniture to secure the cover on windy days Tough interlocking seams add strength and durability Cover measures approximately 31x38x29 inches (LxWxH)