The Sportube TSA Approved Combination Lock is a Travel Sentry Approved lock which allows your luggage to be unlocked, inspected and protected safely while flying or traveling through security checkpoints. Travel Sentry® Approved locks from Sportube are accepted and recognized by the Transportation Security Administration (TSA). Under inspection luggage can be safely unlocked, inspected and re-locked without damage to the case or the lock. If you're shipping your Sportube, the TSA Lock is perfect for making sure your gear gets to your destination exactly as you packed it, unmolested. With a 25% thicker cable than comparable locks and a combination that you set, and that you can reset, this is a handy travel lock for your Sportube.. and your other luggage in the off-season.