The Wise 8WD734PLS Low Back Economy Fishing Boat Seat is made with a plastic frame that features state-of-the-art, high-impact, plastic frames, the same quality required by leading boat manufacturers. It also has compression foam padding for added comfort. This seat is mildew-resistant and UV-treated, ensuring its durability in various weather conditions.• Aluminum no-pinch hinges• High-impact marine-grade plastic frame• Compression foam padding• 28-oz. marine-grade vinyl• Embossed vinyl pattern• Mounts on any pedestal or mounting surface with a 5-1/4" hole pattern• 2-year warranty on frame / upholstery• Overall: 16"W x 18.5"D x 19"H• Seating Depth: 14" Mildew-resistant & UV-treated for durability in rough weather conditions Aluminum no-pinch hinges Mounts on any pedestal with 5-1/4"" hole pattern | Wise Low Back Economy Fishing Boat Seat