Material: Nylon Cable Ties Nylon 6.6 ( ul recognized ) Color: Black Flammability:UL94V.2 Operating Temperature Max:-10°C+ 85°C,Flame Retardant. These Cable ties are used as a type of fastener, for holding items together, primarily electrical cable or wire. High quality Suitable for a multitude of uses Easy to thread Self-extinguishing to rating UL94V.2. UL approved nylon 6.6 High Tensile Strength flexibility, and non-breaking nylon cable tie is safe and environmentally friendly Cable ties need to be designed in such a way that they should not open once they are fastened in a loop. These OVG Cable Ties 4 Inch { 500 Pcs } Nylon Zip Ties Self Locking With Heavy Duty Black 100 × 2.5 mm can be used to tie up TV cables, computer cables, extension cords, mobile USB cables, guitar cables, internet cables, TV cables, outdoor cord . You can even use them to hang, hold, attach, seal and bundle just about anything, These tie wraps are also perfect for gardening use, securing bicycle accessories, etc.