Blue Tarps 9X12 Feet Durable Star Plover Medium Duty PE Tarp Waterproof Rustproof Cover With Mulit-Purpose 9-by-12-feet and ships at 2.65-pounds Weather cover,waterproof roof/boat/greden cover Water, mildew, and tear resistant high strength poly tarps Rustproof, aluminum grommets intervaled every 3 feet Medium duty polyethylene material is 2.7ounces per square yard with 10-by-10 cross weave for maximum