Invoices, Picking lists, and Packing slips support integrated labels. Integrated label paper make it possible to print a document and the address label on the same sheet of paper, where the label peels off. You can enable them in your templates like this:
Login to OrderlyPrint (Shopify admin -> Apps)
Click the "Settings"
Click the "Document design" option
In the editor, go into the "Theme, styling and layout" section
Adjust the settings found under the heading "INTEGRATED LABELS".