Hampton Bay Dragonfruit Outdoor Seat Cushion (2-Pack) Dimensions: 20 in. D x 20 in. W x 5 in. T 100% Olefin fabric offers luxurious quality and feel Olefin fabric provides excellent UV resistance for high performance 100% polyester filled, a superior poly-fill that helps cushion retain shape over time Depth (in.) 20 x Width (in.) 20 x Thickness (in.) 5