This lock was Unique designed with Skull Head, which reflects personality perfectly, also serve a practical function. Manufactured with high quality zinc alloy for maximum protection.Tough and durable Zinc Alloy casing and ultra-strong steel cable were designed to provide you a lifetime of security. TSA Approved :Can be unlocked and then relocked by TSA agents without cutting the lock.Secure your luggage and carry-on bags during your vacation: on the plane, in the airport or in the hotel room. Flexible steel cable makes threading the cable through small zipper much easier. Easy to use. This lock comes with two keys; you can use it just like any other traditional locks. Specification: Dimension: 5.1 x 3.3 x 0.3 inches Weight: 0.02lbs Color:Silver Package Includes: 1 Piece TSA Luggage Locks with 2 Keys