Set of 12 Rolls from 2100 adhesive thermal labels compatible with Zebra label printers and other models that support the same specifications. The labels are in rectangular format of 57 x 32 mm (equivalent to about 2.25" x 1.25" ) and are made of Direct Thermal material (without need of ribbon for printing). They are supplied on rolls with an internal 1 inch (2.54 cm) core, which makes them compatible with a wide range of Zebra desktop printers, including the popular GK, ZD, and Z series. They are ideal for use in stock, shipping, product labeling, bar codes and addresses, offering reliable adhesion and sharp printing. Main technical specifications Quantity Total: 12 Rolls of 2100 labels (25200 Total). Label format (Metric): 57 mm (Width) x 32 mm (Highness/Length). Label format (Imperial): 2.25 inches x 1.25 inches. Technology of Printing: Direct Thermal - does not require ribbon. Wall decal: Permanent adhesive. Diameter Soul: 1 inch (2,54 cm). Zebra Compatibility (Similar Code): Compatible with the Zebra 10015781 format. Compatible printers (Examples): Zebra GK420d/t Zebra ZD420d/t Zebra ZD421d/t/c Zebra ZD620 Zebra Z-2000D (Series Z)