Pro Tie N17EHD250 17-Inch Extra Heavy Duty Standard Cable Tie, Natural Nylon, 250-Pack Great for bundles of wire, loom, various other items and applications Tensile strength of 175-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 4.9-Inch Working temperature range of-40 to 185-Degree F or-40 to 85-Degree C