Wise Clam Shell Pro Style Boat Seat w Snap on Seat Cushion The Wise Pro Style Clam Shell Fishing Seat is an economical folding seat built to handle tough marine environments. It is constructed with an injection-molded, high-impact, marine-grade plastic frame to deliver years of use. Removable 28 oz. marine-grade vinyl cushions are UV treated and mildew resistant. The Wise Pro Style Clam Shell Seat mounts on any 5-14 hole pattern pedestal or mounting system. Features Compression foam padding Stat