Using the labels is incredibly easy. All you need to do is print out the PDF labels you've downloaded and attach them to the outside of the package you're mailing (where can I download the labels?). To prevent potential wear and tear or water damage during transit, it is highly recommended that you cover the labels completely with clear tape after affixing them, as shown in the following illustrative example.
Of course, you can mail multiple packages at the same time. When you create an order and select multiple packages, the PDF label file you download will also contain multiple labels. You simply need to affix each label to the corresponding package, as illustrated below:
