The P.T.M. Blue Tarps are water, mildew, and rot resistant, making them the perfect choice for protecting your outdoor things from the elements. This tarp offers 4.5oz per square yrd, reinforced eyelets with rust resistant grommets spaced approximately every 18in and rope reinforced edges. P.T.M. Tarps are made with regular duty fiber reinforced polyethylene. These features make the P.T.M. tarps ideal for use around the home, farm, boat and campground. 10 X 12 ft Cut Size. Blue.