Taylor Mades Dock Floats boast a UV-resistant black polyethylene shell filled with EPS foam that delivers a seamless design that wont leak, ensuring years of stable buoyancy. Tough shell resists impact and protects the foam core from saltwater, gasoline and most harsh chemicals. Thick mounting flange cab be drilled for simple fastening to any dock design. Ventilation holes let air in while keeping water out. Made in USA. Sizes: 24H x 36W x 12D. Buoyancy rating: 335 lbs. 24H x 48W x 12D. Buoyancy rating: 450 lbs. 24H x 48W x 16D. Buoyancy rating: 600 lbs. Note: Not designed to attach to each other. Type: Dock Hardware.