DOCOSS TSA Lock / Number bag locks For travel .Re-settableCombination Lock Offers 10 times more safer than other 4-digit locks also by providing times more security, assuring all your belongings are safely packed. Carefully zinc coated zinc alloy lock body & hardened steel shackle, wouldn’t rust or corrode, affords up to 220 lbs, can hardly damaged by human force. This resettable lock is solidly built and waterproof, the moderate shackle resists abuse like baggage handling and protects the zippers thus extended the life of your cases. Also Allows your luggage to be inspected by special authorities without damage to your lock or bag. Alert indicator lets you know that your bag has been opened and inspected.