This Travel Sentry® Approved lock allows your luggage to be unlocked, inspected and protected safely.25% thicker cable than comparable locksTSA can unlock with their unique key3-Digit combination allow you to set your unique numberFlying with your Sportube or Shipping via FedEx or UPS?Travel Sentry® Approved locks from Sportube are accepted and recognized by the Transportation Security Administration (TSA). Luggage is safely unlocked, inspected and re-locked without damage to the case or the lock.If shipping your Sportube, the TSA Lock is perfect to make sure your gear gets to your destination exactly as you packed it. With no TSA to inspect it, the combination lock will keep anyone that comes across your shipment from being able to see what you have inside.