This poly-tarp is made from heavy-duty polyethylene plastic, and has a rope reinforced on all sides for added strength. Mildew-resistant and water repellent Size: 16 (4.9m) x 12 (3.7m) Tear resistant construction Ideal for; transportation, industrial, agricultural, marine, construction, recreational, home and utility applications. This poly-tarp has rope reinforced hem on all sides, reinforced corner grommets and rust resistant grommets approximately every two feet. It has been treated for added protection against damaging ultraviolet light.