Victorinox  Travel Sentry Approved Lock Set,Silver,One Size Zinc Travel sentry approved combination lock secures belongings while in transit and allows u.s. airport security to open the lock without destroying it and relock it after inspection Sized to fit through locking zipper sliders on luggage and business cases Three-digit combination can be reset as needed 1.25 Inch 2.5 Inch 0.75 Inch