Pro-Style Folding Seats Are Built with Plastic Injection Molded Frame with Removeable Seat Cushions. High Compression Foam Padding and Marine Grade UV and Mildew Treated Vinyl. Embossed Vinyl Seating Surface. Mounts to any BIA Standard 4 Features Injection molded high-impact marine grade plastic external frame Removable 26 oz. marine grade vinyl cushions Compression foam padding Mildew resistant and UV treated Mounts on any 5 1/4 hole pattern pedestal or mounting systemSpecifications Color: White Height: 18 Width: 19.25 Depth: 20 Seating Depth: 15.25 Weight: 2.67 lbs - SKU: WSCP498