Horizon Manufacturing Elite Series Pontoon Fold Down Boat Elite Series Pontoon Fold Down Boat. Contoured cushions with high compression foam padding. Embossed vinyl surface, 28oz marine grade vinyl withstands the effects of the sun, heat, rain and staining under normal marine environment conditions. Perfect color and style match with Horizon Manufacturing Elite Series Pontoon Components. Mounts to any BIA standard 4 bolt, 5-1/4" bolt pattern pedestal system or swivel with included fasteners. Seat Dimensions: Height-21.75", Width-17", Depth-20.50", Seat Depth-14" · High Impact Injected Molded Plastic Frames Roto Molded Plastic Bases Scuff resistant. High Compression Foam Padding 28 oz Marine Grade Vinyl UV Treated 5 Year Warranty on Frame / Base 3 Year Warranty on Upholstery