1. Type: thermal paper 2. The paper is flat and smooth, which helps prevent clogging and is easy to use. 3. Clear printing, smooth and white surface, clear and dust-free printing 4. Easy-to-install design allows for quick and simple replacement of exhausted thermal paper cores 5. The thermal receipt paper roll is moderately loose and smooth to reduce damage to the nozzle and extend the life of the printer. 6. Suitable for supermarkets, chain stores, restaurants, shopping malls and other places where POS printers are used, and is suitable for most POS systems 7. Thickness: 0.09mm 8. Specifications: 57x50mm 9. Tube core outer diameter: 13x18mm 10. Weight: 8.5kg/box