Zebra's Z-Select 4000D is a high-quality direct thermal paper label designed for optimal printing performance. Each roll contains 2340 perforated labels, ensuring efficient labeling for a variety of applications. With a size of 2 inches by 1 inch and a core diameter of 1 inch, these labels fit most standard printers. Ideal for shipping, product labeling, and other applications where durability and clarity are crucial.