2 Pieces Low Back Boat Seat Set with Sponge Padding and Aluminum Hinges-Blue

. Folding design for quick setup and easy storage. Exterior PVC leather is waterproof and wear resistant. Ergonomic backrest to free you from back pain. 5" thickened seat with cozy touch for comfort. Interior sponge is soft and not easy to deform. Aluminum hinges for a reliable frame and easy unfolding. Durable strap firmly fixes the folded boat seat. Could be mounted on a supporting base or placed on a platform. 5" between bolt holes suitable for most support base. Easy installation with a detailed manual and 8 bolts included. Note: no swivel or pedestal included