This product is a transparent thermal label tape with a width of 13.5mm and a length of approximately 4.2 meters. It has a special protective coating on its surface, making it tear-proof, waterproof, and oil-proof. The tape is made of BPA-free thermal paper, which is non-toxic and environmentally friendly. It is perfect for use with the PeriPage L1 Mini Pocket BT Label Maker and has a smooth and flat surface for clear printing. The printed content can be stored for up to 10 years.