FINISHED SIZE - The marked size is the exact finished size. When you choose your size, you will get the exact size tarps. DUSTPROOF & WATERPROOF - This tarp is designed to be dustproof and waterproof, making it ideal for outdoor use in harsh weather conditions. HEAT-SEALED & REINFORCED - The four sides of the tarp are heat-sealed and folded, with nylon ropes inside for reinforcement. There is no needle hole, and it will not crack easily. CONVENIENT TO USE - Our tarp has metal grommets every 36 inches, making it easy to use and secure. Additionally, the plastic corner reinforcements at the four corners of the tarp make it more sturdy and aesthetically pleasing. ECONOMICAL & VERSATILE - This tarp is a bit heavier than the 5 mil option and is recommended for temporary outdoor protection from the elements. It is great for covering construction materials and equipment, as well as for use as a ground cover or to cover livestock.