Wise 8WD505 Series Bucket Style Lounge Seat is ideal for replacing worn-out seats on your Runabout Ski Boat or Fish N Ski model. Injection-molded plastic frame. Marine-grade UV and mildew treated vinyl. Embossed vinyl center panel. High compression foam padding. Popular colors look great in all ages of boats. The seat opens up flat for sunbathing. Storage underneath seat cushions. Mounts directly to boat floor easy assembly.