Greendale Home Fashions Indoor/Outdoor High Back Chair Cushion, Marine Blue 100% Polyester Overstuffed construction for extra comfort and longevity. UV-resistant outdoor fabrics Modern prints for contemporary styles Cushion dimensions are +/- 2 inches. Please note product will arrive in a slightly compressed state; please allow a few days for product to expand to final size listed in description. Back dimensions: 21 x 21 x 4 inches, seat dimensions: 21 x 21 x 4 inches