44000 labels per case (5,500 labels per roll, 8 rolls per case, 1 label across) $2.35 per M Top-coated Thermal Transfer label. Ideal for various shipping, warehousing or identification requirements. Permanent acrylic adhesive. Thermal Transfer:  A material that requires a thermal transfer ribbon for printing. Heat is applied to the ribbon which transfers the ink onto the labels. Ideal for products that need more temperature resistance and a longer shelf life than a standard direct thermal product. Rolls: The standard packaging method for labels is to roll them onto 3" cardboard cores.  Most stock rolls have an outer diameter of 8". Perforation: This refers to the perforation between each label to allow for easy tearing of the liner. Perforation is generally used for hand apply and non-perforation is used for machine apply.