This pack of 4 rolls of direct thermal shipping labels, model LM-30256-YL-6RLS, is compatible with Dymo printers. Each roll contains 300 yellow labels that measure 2-5/16" x 4" in a rectangular shape, with a 1-inch ID core size. The labels are designed with a permanent adhesive that does not require any ribbon. These labels are great for all your shipping needs and are made in the United States. They are perfect for businesses and industries that handle material, packing, and shipping. The label type is a shipping label that can be used for address and shipping purposes. Get your hands on this pack of 6 rolls of 300 labels per roll and make your shipping process easier.  Our Dymo compatible labels do NOT work with Dymo 500 series printers.