Xtreme Ties specifically designed to perform in harsh environment applications. Engineered from improved Nylon 66 and ISO certified to maintain properties down to -40 Deg (degrees) F (Fahrenheit). Offers enhanced ultra violet protection and UL (Underwriter's Laboratories) listed for indoor and outdoor applications from -4 Deg F to 185 Deg F. Use to wrap, lock, bundle, or support all type of items including snow fencing, signage, volleyball nets, bike baskets, critter fencing, and more. Ideal to keep handy in tool boxes, workshops, and junk drawers for every maintenance project.