Master Lock 4688D Set Your Own Combination TSA-Accepted Luggage Lock features a 30mm wide metal body for durability. The 3mm diameter shackle is 38mm long and made of vinyl covered flexible braided steel, offering resistance to abuse from baggage handling equipment. TSA screeners can open, inspect and relock bags locked with a TSA-Accepted lock. The Limited Lifetime Warranty provides peace of mind from a brand you can trust. Allows TSA screeners to inspect and relock baggage, without damaging the lock. Unique flexible cable resists abuse from baggage handling equipment. Easy to set & reset numeric combination. 30mm Wide durable metal body. 3 dial combination security for keyless convenience. Matching lock and cable coordinate with popular baggage colors. Bright colors simplify baggage identification.