Morris 20164 Ultraviolet Nylon Cable Tie with 50-Pound Tensile Strength, 7-Inch Length, Black, 1000-Pack Ultraviolet Black Nylon Cable Ties Bulk Pack - Our UV-Safe Zip Cable Ties are perfect for outdoor use. Carbonate A Added to Cable Ties for greater resistance to ultra violet in outdoor usage Made from UL approved Nylon 6/6 Normal Service Temperature Range -40 to 185F(-40 to 85C ) Flammability Rating UL94V-2