4x6 Direct Thermal Shipping Labels Paper White

Label size: 4 inch x 6 inch (100mm x 152mm) , with perforated line. Material: direct thermal labels, upgrade the label, the label backing paper is thicker and the printing is more smoothly. Strong adhesive to corrugated boxes and envelope. NOTE: Temperature and humidity should be paid attention to when storing thermal label paper. It is best to place it in a dry, dark, ventilated place free from chemical pollution. If the label paper is not used up, it is recommended to put it in a sealed bag or box as soon as possible.