Google now requires unit pricing measures (per kg, L, m, etc.) for products in the EU, EFTA, UK, Australia & New Zealand.
Merchants must submit size/weight/volume data in product feeds or risk warnings and disapprovals in Merchant Center.
Categories like food, cosmetics, hardware, flooring, and office supplies will be most affected.
Watch the full video by Emmanuel Flossie here: Policy Update For Unit Pricing Measure in Google Merchant Center