Sun Dolphin 2-Chambered Dock Float, Black: * Easy-to-use sectional dock floats for various lengths and dock configurations * Exclusive design features 2 independent watertight chambers * Constructed from high-density polyethylene * Impact-resistant, durable, stable and lightweight * UV-protected - prevents fading and cracking * Maintenance-free - no rotting, fading, rusting or splintering, and won"t be harmed by marine fuels * Self-bailing - keeps top surface dry, preventing standing water * Dimensions: 36"L x 48"W x 10.1"H; weighs 28 lbs * Buoyancy rating: 500 lbs * Made in USA