Domestic Shipments Bags traveling within a single country must be locked. Failure to lock Items will void your right to file a claim for lost or missing contents.  International Shipments Bags shipped between two countries must be unlocked as they may have to be opened as a normal part of the customs screening process. If bags are locked, including TSA approved locks, and customs cannot open an item then the lock or seal may have to be broken.   Locking any item traveling internationally can cause extended delays and will void Luggage Forward’s industry leading on-time guarantee.