Morris Products 20258 Ultraviolet Nylon Cable Ties, Black, 14-1/2" Length, 0.187" Width, 50lbs Tensile Strength, 4.02" Max Bundle Diameter (Pack of 100) UV-stabilized nylon 6,6 for prolonged lifetime and outdoor use Minimum tensile strength of 50 lb. Maximum bundling diameter of 4.02" Plastic locking pawl for closure Meets UL 94V2 standard for flammability