20' x 30' Dry Top 2-Pack Heavy Duty White Full Size10-mil Poly Tarp item #20303 Heavy duty industrial 5.5-Ounce per square yard polyethylene 14 X 14 Cross weave fabric with rope reinforced hem Industrial capped reinforced corners with grommets every 18-Inch Ultraviolet treated to reflect sunlight Full size, not "cut sized" tarp