Thermal Shipping Labels Our 4x6 white label paper is made of high-quality thermal material, with a smooth surface, prints dark and crisp. High Quality Thermal Labels OausTect thermal printer papers are waterproof, oil resistant, alcohol resistant, and have strong scratch resistance. OausTect's direct thermal label paper has excellent anti fading properties and can maintain readability and scannability for up to 2 years. Strong Adhesive The back of the shipping label paper is a strong adhesive that can tightly adhere to packaging surfaces for a long time. OausTect's shipping labels have strong tear resistance, with a thickness of around 0.18mm to resist wear during transportation and remain intact.