Wise 8WD112BP Series Pro Casting Seat: Provides a supportive and comfortable leaning position while cast fishing High impact Marine Grade plastic frame; Compression foam padding Heavy Duty 28 oz. Marine Grade Vinyl withstands the effects of sun, heat, rain and soiling under normal conditions. Vinyl is sewn with Dacron polyester thread with OEM standards to last years Mounts on any pedestal or mounting surface with a 5 1/4" hole pattern; Mounting screws included Seat Dimensions - Height: 5.25”, Width: 15", Depth: 11", Seat Depth: 8.5"