Aviditi CT21250 Nylon Heavy Duty Jumbo Cable Tie, 21" Length x 1/2" Width, 250 lbs Tensile Strength, Natural (Case of 100) Nylon cable ties permanently secure cords, cables and bags Heavy-duty ties for demanding applications Nylon ties lock tightly It will not slide or loosen Measures 21-inches length by 1/2-inches width