Tarpsupply 16'x20' Heavy Duty 12 By 12 Cross Weave 8-10 Mil White Poly Tarp with Grommets Approx Every 24 Inches All Around, Corner Solid Plastic Bar Reinforcement for Extra Strength Finished Size: 15-Feet 2-Inch by 19-Feet 6-Inch UV treated on both sides for superior sunlight protection. Water and Wind Resistant, Rot and Mildew Resistant Double reinforced corners for added strength. Arctic Flexibility 12 x12 Cross Weave; 5 oz/sq yard; 1200 Denier Thick.