Direct thermal labels give you the option to quickly print as little as one label at a time or enough labels for large labeling jobs. Instantly standardize and identify files and projects. Made from high-quality, bright-white material, these labels deliver superb printing results in compatible Dymo LabelWriter and Seiko Smart Label Printers. They are simple to format for labeling 1/3-cut tabs on file folders. Each label measure 9/16" x 3-7/16". Adhesive is permanent to keep your label in place. Each roll includes 130 labels.