[ Material]Made of zinc alloy body, the cable locks are more durable and compression resistant than aluminum alloy. The flexible cable is made of braided steel, the connecting loop is sturdy but flexible enough to pass through almost all zipper ends. .[Inspection Indicator]Learn if your bag has been inspected. When you pick up your bag from the airport, if the TSA opens your luggage, a red button will pop up on the top of the cable lock. You will know to re-inspect your luggage to make sure nothing is lost. .[Anti-Malfunction Button]When the factory default combination of 0000 is entered, use the stylus to press the reset button, One click is enough to set your code, no need to keep pressing. Enter your combination, click the button again, and the password is set successfully. Setting your combination is that easy. .[Easy-to-Read 4-digit Wheel]The 4-digit combination lock is more secure than the 3-digit one, providing 10000 code combinations. Our combination dials use a white number on a black background. These high-contrast dials make reading your combination a breeze. .[Slide Switch]Unlike traditional push button switch, this luggage lock is more secure by using a slide switch to prevent technical or violent opening. After entering the password, slide the steel wire from the code wheel side to the other side to open, and then press down to close.