New Unused Boat seat, just will not fit my application. Was 269.00 when purchased. Patented Design: an unrivaled captain boat chair with bolster,the thick sponge padded seat cushion with high resilience that offers maximum comfort and a superior user experience. Seat Dimension: Bolster Down: 25.2''H x 23.6''W x 22.8''D. Bolster Up: 25.2''H x 23.6''W x 20.9''D. Bolster has unprecedented heights: 9''. Material: heavy-duty 28 oz marine grade vinyl.Vinyl withstands the effects of sun, heat, rain and soiling under normal marine environment conditions. High-density foam pads offer you a more comfortable seating experience. Thoughtful Equipments: Have a custom heavy duty waterproof boat seat cover, it will protect your captain boat seat from dust, corrosion and accidental scratches. The opening design is added to the backrest to make it easier to lift, greatly reducing your burden. Installation: easy to install on universal 5''X 5'' or 5''X 12'' mounting bolt pattern, Cash Only and prefer calls