Molded base with gear holder High impact marine-grade plastic frame Double Top Stitching Compression foam padding Heavy 26 oz. Marine Grade vinyl Mildew resistant and UV treated Mounts on any pedestal or mounting surface with a 5 1\/4\" hole pattern Mounting screws included 5 year warranty on frame 3 year warranty on upholstery SEAT DIMENSIONS Height: 5\" Width: 16\" Depth: 15\" Seating Depth: 10\"