Display labels in these Self-Adhesive Label Holders for quick and easy inspection. The plastic label holders are ideal for your P.O. Boxes, Distribution Cases, bins, shelves, and any other postal equipment that can be labeled! The plastic can be removed without marring the surface and used repeatedly simply by changing the paper inserts. Adhesive sticks to any clean surface and paper inserts are provided. Ships USPS. Will not crack, chip, peel, fade or fall off. Sold in packs of 12. The dimensions are 5/16" x 6." Additional paper inserts sold separately.