The Brady Letter Label is a 2.5 inch tall label with 14 characters per inch. It is made of white vinyl material and has a permanent acrylic adhesive backing. The labels are designed for indoor use on flat, smooth surfaces like file folders, binders, and shelves. Each roll contains 250 labels. The labels resist moisture, abrasion, chemicals, and sunlight. They can be applied by hand or with a label dispenser.