CPP's 17' x 31' 7 Mil plastic shrink wrap roll is best product for wrapping boats, jet skis, lawn furniture and more. Shrink wrap is the perfect solution for outdoor storage because it is puncture and UV resistant. It's designed for long term use. The UV additive protects the plastic shrink film from breaking down. Our Shrink film creates a watertight barrier tjat will keep the boat protected all winter long with mininal upkeep.