The Master Lock Fortress Padlock, Set Your Own Combination Luggage Lock, 1 is a great way to keep your belongings safe when traveling. This padlock is small enough to use on backpacks, duffel bags and sports bags, briefcases and computer bags, jewelry and curio cabinets, and luggage. Theres no need to worry about losing keys with this lock, as it features a resettable 4 dial combination. This allows you to set and reset your combination, making it a keyless convenience.