Heavy duty contractor tarp features 10 x 8 weave, 6 mil construction. Reversible environ colors of brown/green. UV reflective material for superior light protection and longer life. Rust resistant grommets and heat sealed seams with reinforced hems. Water, mildew and rot resistant. Manufactured to resist tears and acid damage, with artic flexibility. Applications include construction, roofing, woodpiles and other landscaping projects.