Grommet Edging, Slotted 100 Feet, Flame Retardant Polyethylene, Natural, 0.11 Inch (2.7mm) Width, 0.12 Inch (3.0mm) Height, Panel Thickness Range is 0.026 to 0.036 Inches (0.7 to 0.9mm), Flame retardant (self extinguishing UL94 V-0 flame rating) material for indoor use up to 167 degrees Fahrenheit (75 degrees Celsius). Provided in 0.03 inch (0.8 mm) thick material making it highly flexible, Use on irregularly shaped and round panel holes as well as straight paths to support a range of applications.