Grip-Rite clear string reinforced poly features woven reinforced bands with perforated eyelets that enable easy and secure fastening to scaffolding. It is the most clear, light emitting, and durable string poly on the market today. The reinforced poly is produced using a 3" x 3" tear resistant Leno scrim. Coating is ultra-clear film quality virgin HDPE (High Density Polyethylene) for maximum elasticity and light emission. Total fabric weight is 90 g/m2. Woven reinforced bands with perforations every 10.0 cm (centimeter) for easy and secure fastening to scaffolding. 4 mil (thousandth of an inch) film and 18 mil cross scrim.