Creates a watertight barrier that will keep the boat protected all winter long with minimal upkeep. Excellent for temporary structures to fend off the elements and continue working throughout the off-season. Users can choose a product that best fits their application based on environmental and dimensional requirements thanks to the variety of widths available. 100% virgin UV-inhibited resin boosts durability and strength - 7 mil thickness. Rated for 1 year of UV Protection.Made of Linear Low Density Polyethylene, or LLDPE which is extremely durable and versatile.