Wise Promotional Low Back Boat Seat - These boat seats have been constructed with state-of-the-art high-impact plastic frames to allow for long use of these premium boat seats. They are backed by a 6 year warranty on the frame and a 3 year warranty on the upholstery. Heavy duty 28oz marine grade vinylCompression foam paddingState-of-the-art high-impact plastic framesMildew resistant and UV treated6 year warranty on frame3 year warranty of upholsteryHeight: 18.75inWidth: 15.75inDepth: 18.5inSeat Depth: 14in