Moeller ST2090-HD Offshore Ladder Back SeatMoeller Offshore seats feature high-impact, seamless, LLDPE double-walled, UV-stabilized seating construction which stands up to punishing marine environments. Includes seat and mounting plate. This seat is an extra-wide, ladder back seat; a true fisherman's chair. Durable injection-molded mounting plates fit standard-hole-pattern slider or swivel; Corrosion-resistant composite seat frame; OEM marine-grade vinyl; UV-resistant; Mildew-resistant thread; Deep foam cushions; Stainless steel Hardware; Dimensions: 23.87"D x 23.75"W x 19.50"H