Descriptions: Lock up several suitcases, backpacks, or other luggage quickly with this TSA Lock. The locks are TSA-approved, allowing airport security screeners to inspect and relock baggage without damaging the locks. Solid brass construction ensures optimal security and rust-resistance. Keyed alike, the locks are ideal for family or group travel with the guardian or leader holding the key to all four locks for easy access.Features:* New material fashion design classic TSA Lock with copper-zinc alloys.* Weight: 69g * Size (about): 7.0cm x 3.0cm x 1.3cm * Travel smart combination lock * Lock without fear of having locks cut open * The lock uses a 4-digit combination * Combination can be reset as often as you choose* The original number is 0-0-0-0. Please set your own combination. * Recognized by the TSA (Transportation Security Administration) * Allows airport screeners to unlock inspect and relock bags, without damaging the lock How to Set: The original number is 0-0-0-0. Setting your own combination: 1.Pull up the shackle. 2.Rotate the shackle 90° counterclockwise, Hold it down and then continue to turn another 90° counterclockwise 3.Set your own combination by turning dials to the convex line 4.Turn the shackle back as normal. The procedure is now complete 5.Dial your numbers to the convex, pull the shackle to open 6.Insert the shackle and scramble the numbers to lock, repeat the above to reset