These original Zebra Z-Perform 1000D 3013758 labels are direct thermal and made of uncoated paper. The labels stick very strongly thanks to the permanent adhesive based on acrylic. In addition, they are perfect to use as product, palette and shipping labels. It is recommended not to use the labels in direct sunlight or at high temperatures. The package contains 40 rolls of labels measuring 54.5mm x 38.1 mm.