Card Inserts for Label Holders -30mm(h) x 500mm(w) Card inserts for self-adhesive and magnetic backed label holders. Easy to apply and completely customisable to show numbers, letters, directional arrows or barcodes. Easy to update and relocate Overall size: 30mm(h) x 500mm(w) Please specify whether the inserts are to be used with self adhesive or magnetic label holders Colour options: White, Blue, Green, Red or Yellow