Tarpsupply 10'x12' Heavy Duty White Poly Tarp Heavy Duty 12 By 12 Cross Weave 10 Mil White Poly Tarp with Grommets Approx Every 18 Inches All Around, Corner Solid Plastic Bar Reinforcement for Extra Strength Finished Size is 3-5% or up to 10 inches less after edges are hemmed 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 Weave; 4-5 oz/sq yard; 1200 Denier Thick.