TSA APPROVED: The suitcase lock is Travel Sentry approved, which means that shipping security personnel can use the official master key to unlock it without any damage. With this ZHEGE TSA luggage lock, they have to re-lock it after inspection to get the key back; if your luggage is opened, a red warning light will pop up at the top to let you know as soon as you pick it up at the airport.Ease of use: Code setup is very simple, with a flip and setup button at the bottom. Instructions are on the back of the package. The large white numbers are easy to see even in low light and are very friendly to seniors and red-eyed air travelers. The inside is damped for better accuracy and feel every time the dial snaps into place.Safe and Secure: The resettable 4-digit combination padlock allows you to set your own combination with 10,000 options, making it 10 times harder to crack than a 3-digit combination. The luggage lock body is made of high-strength zinc alloy and can withstand even the roughest luggage handling. The sliding unlock function is the most advanced luggage padlock on the market, with strong resistance to technical and violent unlocking.FLEXIBLE CABLE DESIGN: The flex cable (5.5", 4mm) can pass through multiple zippers on suitcases, backpacks, briefcases, laptops, duffle bags, golf and gym bags at once at any awkward angle. If you're also worried about large openings, only double rings. Not only a padlock for suitcases, it's also a good locker padlock for gym, school, drawers, toolboxes, cupboards, cupboards, and more.Size: 10.3*3.2cmDelivery Quantity: 1 PieceNote: Manual measurement, there may be an error of 1-2cm/1-3g, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture.