Wise 36-Inch Pontoon Bench Seat Cushion (Base Required to Complete), White 36" Pontoon Bench Seat Cushion Only, Must Order 8#WD100-1B-204 Pontoon Seat Base Only to Complete Set Seat Cushion Only: Width-37", Depth-24", Seat Depth-17.25" Height with Base-29.25 (Base Sold Separately) Compression Foam Padding, Heavy Duty 28 oz. Marine Grade Vinyl, Mildew Resistant and UV Treated Hinged Lift-Up Seat Cushion Design for Storage Access 6 Year Warranty on Frame, 3 Year Warranty on Upholstery