colors: 01 black 05 yellow 06 blue 12 pink 99 orange Use method: 1. Push the parts A and B inside ,pull out the one touch stopper (buckle).2. Adjust the length of the adjustment to the suit case, hold the adjuster and pull the belt left or right to adjust the length. (3) wrapping around the side of the keyhole, wrapping the key to the insertion side of the one touch stopper (buckle), and inserting the key firmly into the inside of the keyhole, press the key to 90 degrees (until the sign of lock) and lock the key, and remove the key *Keep the key carefully so that it does not lose. 4. Pull the edge of the belt and tighten it. Finally, pass the end of the belt through the holder.TSA