PADLOCK APPLICATION: For indoor use and travel; small lock is best used for backpacks, bags, briefcases, and luggage.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. TSA ACCEPTED: Luggage lock allows Transportation Security Administration screeners to inspect and relock baggage, without damaging lock EASE OF USE: TSA lock has a resettable 4 dial combination for keyless convenience, set and reset your combination allowing thousands of personalized combination code options DURABLE DESIGN: Padlock includes a metal body for durability and a vinyl covered flexible braided steel shackle for resistance to abuse from baggage handling equipment SPECIFICATIONS: 1-3/8 in. wide lock body; 1-3/8 in. diameter shackle with 1-1/2 in. length, 1-1/16 in. width; Available in Black, Blue, Pink, Silver (randomly selected at time of shipment)