10' x 18' silver heavy-duty tarps- 14X14 Mesh Count, 12 Mil Thickness, 6 oz per square yard, aluminum grommets Approx. Every 18 inches with rope reinforced corners and eyelets. All of our silver heavy-duty tarps are weather-proof- providing 100% UV Protection and Shade. Every 10' x 18' tarp is Waterproof.