I searched for images on Google, I think this one matches the size of the onions I saw on the supermarkets near British Columbia University: https://www.khaleej

I searched for images on Google, I think this one matches the size of the onions I saw on the supermarkets near British Columbia University: https://www.khaleejtimes.com/uae/giant-red-onion-baby-head-size-dubai-al-awir-bloom-market https://www.khaleejtimes.com/uae/giant-red-onion-baby-head-s... Serioulsy. But as I searched , apparently they can get much bigger still! Search for "biggest onions" and you'll see.