Makes launching boats easy, sliding them effortlessly off bunks and into the water. Reduces cranking torque required by as much as 275%. Safer unloading and loading by dramatically reducing stress on the trailer crank mechanisms, ropes and hull bow hooks. Allows you to unload and load your boat in shallower water. Fast and simple application for both horizontal and vertical bunks. Made from a unique blend of anti-friction compounds. Comes in 1 pint (16 fl. oz. ) easy-to-use spray bottle and is applied directly to carpeted bunks.