If you find that the standard 4×6 format is not suitable for your printer and / or preferences, you can always go to Print Settings and change it.
Please note that the default format for lables is 4×6.
To adjust this, please follow the below instructions:
1. Go to Settings,
2. Next, click on Print Settings,
3. In the Default Printers section, next to Default Label Printer, not only you will be able to choose from a drop-down which printer you wish to set as default, but you will also have a drop-down to choose the format you wish your lables to be printed in.