The Cape Cod 1000 Boat Seat is made of rugged, roto-molded polyethylene and meets the highest standards of the ABYC. The self-draining seat ensures long service, while the drop-away front design delivers easy maneuverability and comfortable seating. Outside dimensions: 25"W x 21-1/2"H x 18-1/2"D. Inside dimensions: 18"W x 17-1/2"H x 17-1/2"D. Cushions are not included. Self-draining design 25""W x 21-1/2""H x 18-1/2""D | Todd Enterprises Cape Cod Model 1000 Boat Seat Shell Only