On the new eBay Interface, please select 4" x 6" PDF as your label format.

On the "Classic" Interface:

1. During the label creation process, please click [Printer and label receipt preferences]

2. On the following pop up, you may pick any of the 4 x 6 label sized printers. For example, you may pick the "Zebra TLP3842 4x6"

3. Click "Save" and continue to purchase your label.