TR Industrial 88301 Multi-Purpose Uv Resistant Cable Ties, 4", Black (Pack of 1000) Use these strong cable ties for holding all kinds of items together Made with UV resistant industrial strength 6/6 Nylon Ten packs with 100 4 inch pieces each for a total of 1000 pieces 18 lbs. tensile strength Working temperature: 40-85 degrees C or 40-185 degrees F