Pro Tie N40SHD10 40-Inch Super Heavy Duty Standard Cable Tie, Natural Nylon, 10-Pack Great for bundles of wire, loom, various other items and applications Tensile strength of 250-Pound Made from high strength and lightweight 6/6 nylon which is hygroscopic material, which absorbs and releases moisture and is non-toxic Bundle diameter of 12.1-Inch Working temperature range of-40 to 185-Degree F or-40 to 85-Degree C