Pro-Tie Ultra Light Duty cable ties are made from high strength and lightweight 6/6 nylon. Nylon 6/6 is a hygroscopic material, which absorbs and releases moisture, is non-toxic and has a working temperature range of -40F to 185F. 18 lbs. tensile strength. Approximately .04 thick and .10 wide. UV stabilized for outdoor use. 100 in a package.