Series Classic High Back Boat Seat Features No Pinch Aluminum Hinges Plastic Injection Molded Seat Frame Marine Grade UV and Mildew Treated Vinyl Marine Grade High Compresson Foam Padding Comes with Mounting Hardware to Mount to any Stand Features . High impact marine grade plastic frames. Aluminum no pinch hinges. Contoured compression foam padding. 26 oz marine grade vinyl. Mildew resistant and uv treated. Mounts on any pedestal or mounting surface with a 5 1 4 hole pattern. Mounting screws included Specifications . Height 23 25 . Length 16 5 . Depth 20 . Seat Depth 14 25 . Weight 2 12 lbs