Wise Premium Mid Back Boat Seat State-of-the-Art, High-Impact Plastic Frames with No-Pinch Hinges Premium Compression Foam Padding Heavy-Duty 28 oz. Marine Grade Vinyl, Mildew Resistant & UV Treated Height: 21.25" Width: 18" Depth: 19.75" Seat Depth: 14.75" 6 Year Warranty on Frame, 3 Year Warranty on Upholstery