Vevor Boat Seat 18.9" Low Back Folding Fishing Chair NewThe Vevor low back boat seat is designed to provide comfortable support for long hours on the water. It features a waterproof PVC exterior, thick sponge padding, and a heavy duty PP frame for durability in marine environments. The fold down backrest uses a rust proof hinge for compact storage when not in use. This seat fits a standard 5" x 5" boat pattern swivel or pedestal and is suited for fishing boats, sightseeing boats, speedboats, and canoes.