Product metafields enable you to save product specifications and other product details. This gives you and your staff a single, easily updated reference for all of your product information.
You can manage product metafields from the Shopify admin.
Viewing product metafields
You can view your products' metafield information from the Shopify POS app.
From the Shopify POS app, tap
In the search bar, type the name of the product.
Next to the product name, tap View details.
Next to the Metafields heading, tap View all.