Wise 8WD245 Series Big Man Boat Seat Big man seat - oversized dimensions for ultimate comfort Injection molded high-impact plastic frame, OEM No-Pinch aluminum hinges Heavy duty 28 oz. Marine grade vinyl, UV treated and mildew resistant; marine grade high compression foam padding Includes mounting hardware to mount to any standard BIA 4 bolt pedestal System Dimensions - H: 22.75", w: 22.25", D: 20", seat depth: 15.5"