This Sigman 30' x 50' Silver Heavy Duty Tarp is the ideal tarp cover for all-weather use outdoors. Featuring a 10 MIL heavy-duty, woven polyethylene fabric construction for superior protection against weather and moisture, these durable tarps have built-in UV protection to block sunlight. This tarp features rope-reinforced hems, heavy duty grommets and plastic cap reinforced corners for strength. Sigman silver heavy duty tarps are popular for roofing tarps, canopy replacement tops, canopy tarps, farm covers, construction equipment and machinery covers. Waterproof. Mildew resistant. Rot resistant. Tear and acid resistant.