Your boat guests will relax in luxurious comfort with the Wise Quantum Series High-Back Boat Seat. This Wise fold-down boat seat provides all-day comfort and season-after-season durability. Textured, heavy-duty, marine-grade vinyl with great resistance to mildew and UV means plush seating that withstands sun, spray, and splash. The molded, OEM-grade foam pack feels great from sunup to last light. The Quantum High-Back has a unique auto-locking function when folded down with a push-tab release for the smoothest, easiest movement you've experienced in a folding boat seat. The extended base depth adds seat slide compatibility, and the 2-piece copolymer seat frame gives you lasting value for peace of mind. Includes stainless steel mounting hardware. Mfrs. 2-year warranty on frame and upholstery. 22"H x 18.25"W x 22"D. Seating Depth: 16.5". Textured, heavy-duty, marine-grade vinyl Mildew- and UV-resistant Molded, OEM-grade foam pack Auto-locking feature when folded down with push-tab release Extended base depth for seat slide compatibility 2-piece copolymer frame