Wise Left Pontoon Corner Lounge Seat Cushion 46" Left Pontoon Lounge, Seat Cushion Only, Must Order #8WD131-1B-204 Pontoon Seat Base Only to Complete Set Seat Cushion Only: Width-46", Depth-23", Seat Depth-17.25" Height with Base-29" (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, Built in Cup Holder 6 Year Warranty on Frame, 3 Year Warranty on Upholstery