About RAINDEWAY Tarp: RAINDEWAY tarp is made of tightly-woven polyethylene fibers; 8 Mil Thickness Medium Duty tarp ,3.6 oz / sq yard; Metal grommets around the edges for better durability; High quality polyethylene tarp & waterproof. Good For What You Need It For: To cover your backyard pool; To cover the patio furniture; To be a ground cloth for tent or Easy to tarp up your tent; Keeping dirt out of the back of your truck; Providing a surface for your implements or plants; Cover your pet cages on cold evenings or rain day; Wrap your wooden side by grommets (holes) to be up to tie down or to insert bungee wrap; camping tarp , Leaf tarp,etc.