Heavy Duty PLUS Fence Privacy Screen Cover Windscreen with Heavy Duty Brass Grommets, Commercial Grade - 220 GSM | 4 Sizes & 5 Colors9xtra Heavy Duty. Wider and thicker black binding, bigger and more heavy duty grommets, thicker fabric. Virgin, UV Stabilized Compounds & Thick Material. Actual height is 3" shorter to fit perfectly on respective fence height. The only fence screen on the market made of 220 GSM 100% virgin (Non recycled) HDPE ( high density polyethylene) material. Gone through 20,000 hours of laboratory UV testing and it is proven to be 70% more durable than recycled