Pro Tie B8LD100 8.1-Inch Light Duty Standard Cable Tie, UV Black Nylon, 100-Pack Great for bundles of wire, loom and various other items Made from high strength and lightweight 6/6 nylon which is hygroscopic material, which absorbs and releases moisture and is non-toxic Tensile strength of 40-Pound and a bundle diameter of 2.0-Inch UV black cable ties are UV stabilized for outdoor use Working temperature range of-40 to 185-Degree F or-40 to 85-Degree C