【Upgrade Materials】Made of industrial strength nylon 66 fire-resistant material (fire rating 94V-2). It has high toughness, aging resistance, corrosion resistance, aging resistance, UV resistance, and good insulation. The excellent performance ensures their safe use, even when cables or other objects are inadvertently heated. It can be used in the temperature range of -40°F to +185°F (-40°C to 85°C) and outdoor in direct sunlight application is not an issue. 【Zip Tie Self-locking Design】 With self-locking fastener design, all of cable zip ties lock securely, start and slip through easily, and snip off neatly. Wire ties with smooth and no burrs edges, not only for easy handling and to prevent snagging in tight, and more importantly, preventing you from hurting your fingers and other parts while using it. 【Multiple Purpose Zip Ties】These assorted cable ties are an excellent tool for home, office, garden, garage, travel and workshop organization. You can use it to manage cables, wires, and cords to keep them organized. It can also be used to fixing plants, bundling light strips, hanging curtains, Christmas decoration, etc. In addition to specializing in the production and supply of high quality zip ties, and also offers a lifetime after-sales service for each customer.