... .Triple-Stitched main seams ensure excellent seam strength.Treated to resist water, rot and mildew.Double-Stitched construction throughout ... Waterproof, fire resistant, UV protected, rotproof ,oil resistance, easy to clean, cold crack. long time durability, and high tensile ... strength4.Usage:This cotton canvas tarps, canvas tarpaulin is used for truck cover,truck tarps,trailer cover,trailer tarps, ...