Order Wise BM11002 Premier Series Pontoon 32" Bow Radius Corner and Backrest Cushion Set to Complete Seat Roto-Molded High Impact Base is engineered to withstand the effects of sun, heat, rain and soiling under normal marine environment conditions Allows for ample storage space when attached to Wise Premier Series pontoon seat cushion set Base Footprint - Width- 43", Depth-23.5", Height: 11" Easy Installation - Attach firmly to pontoon boat deck