Running a small business and burning through labels? This bulk pack of 30 rolls is a huge money-saver. Each roll contains 220 premium 4x6 inch direct thermal shipping labels, for a total of 6600 labels! They're specifically designed to work with the Dymo 4XL LabelWriter thermal printer (not for laser or inkjet). The labels are blank white with a strong self-adhesive backing and a standard 1-inch core. Print crisp, smudge-proof addresses, tracking info, or product labels right from your computer. An open-box deal from a factory direct source means you get professional quality at a fantastic price. Perfect for e-commerce sellers, offices, or anyone who ships regularly. Stock up and never worry about running out during a packing rush again. Organize your shipments efficiently and professionally.