Xtreme Ties are 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 ultraviolet protection and is 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 types of items, including snow fencing, signage, volleyball nets, bike baskets, critter fencing, and more. Ideal to keep handy in toolboxes, workshops, and junk drawers for every maintenance project.