Wise Deluxe 55 Bench Back Rail Pontoon Group This Wise Boat Seats 55 Bench Back Rail Group features state-of-the-art, high impact plastic frames, the same quality required by leading boat manufacturers. The high efficiency molded plastic bases feature a vinyl finish and are scuff and mar resistant. Compression foam padding remains firm for all-day comfort and is plastic sealed to resist moisture. The upholstery is extra-heavy duty, 28 oz. marine-grade vinyl which is mildew-resistant and UV treat