Wise 8WD734 Series Standard Low Back Boat Seat Features No-Pinch Aluminum Hinges. Plastic Injection Molded Seat Frame. Marine Grade Vinyl with Embossed Pattern Detail. Marine Grade High Compression Foam Padding. Includes Mounting Fasteners to Mount to any Standard BIA 4 Bolt Pedestal System. Rated for 200 lbs. Maximum Weight Capacity. Seat Dimensions - Height: 19", Width: 16", Depth: 18. 5", Seat Depth: 14".