In order for your customers to see what the product they are ordering will look like, you will need to upload a separate image for your product mockup that will be displayed in your store.

To do that, in the Product Editor under the product image click Upload PDF under Step 2:

Once the file has been uploaded, the product mockup will be automatically generated:

Here you can find an article on creating a label design for the product, and also check out our label design and label content requirements.