Wise Premier Series Pontoon Flip-Flop Seat Base Only Premier Series Pontoon Flip-Flop Seat Base Only - Platinum - Order #BM1152 Premier Series Pontoon Flip-Flop Seat Cushion and Backrest to Complete Seat Base Footprint Dimensions: Height-11 in., Width- 36 in., Depth-17 in. State-of-the-Art High Impact Molded Plastic, Mildew, Scuff and Mar Resistant Hinged Lift-Up Seat Cushion Design for Easy Storage Access 5 Year Warranty on Base Frame