5 mil thick storage tarp offers exceptional value and performance. Constructed with 8 x 10 strands per square inch, and UV coated to withstand all weather elements. It is lightweight, tear and water resistant, mildew and Rotating proof, and pliable to cold we ather. Rope reinforced hem around edge. Rust resistant aluminum grommets are spaced every 3 feet. Mintcraft 10X12 Light Duty Blue Tarp BL1012 KWANG SUNG AMERICA INC.