Patented DoubleLock design ensures 50% more tensile strength than standard ties. Resistant to degradation by ultraviolet rays. Flexible Nylon material allows cable ties to remain serviceable thru temperature ranges of -40 to 185 degrees Fahrenheit. Recognized under component program of Underwriters Laboratories, E125869. Meets flammability classification UL 94 V-2 and meets military specification MS3367. Length: 48 inches, tensile strength: 175 pounds. Color is black and package quantity is 50.