Where does the wall preview get the print size?

• The product is sold in several sizes as variations, and an attribute of each variation names its size, for example 30x40 cm or A4.Nothing to do. Shoppers pick between the sizes in the preview.
• A product has no size yet: its variations do not name a size, and its page has no size dropdown.List the print sizes on the product →
• Many products are sold in the same sizes.Give many products the same sizes with a size set →
• The shopper chooses the size in a dropdown on the product page, for example from an add-on.Read the size from the product page →
• The size is only in the product description, for example “Paper size: 24 x 32 cm”.Read the sizes from the product text →
• You keep your catalogue in a spreadsheet and import it as a CSV file.Set the sizes with a CSV import →

When a product has more than one of these

The store uses the first of these that the product has:

1. The list under Product data → seeonwall.com → Print sizes.
2. The sizes that the attributes of the variations name, such as 30x40 cm or A4.
3. The size field on the product page.