US Cable Ties releasable cable ties allow you to remove the tie without cutting it and reuse it. These black ties are UV black cable ties made from high strength and lightweight premium 6/6 nylon and meets UV resistance criteria for a minimum of 2 years exposure. Operating temperature is -40 to 185°F (-40 to 85°C). AH-2 plenum rated and UL94-V2 flammability rating. ISO 9001 and RoHS Compliant. Made in USA!