General Mills Cheerios Whole Grain Oat Breakfast Cereal Family size - 18oz / 510g : Amazon.co.uk: Grocery
How to Choose the Right Custom Cereal Box Size: A Comprehensive Guide?
Requirements
3 different boxes of the same base brand of cereal, all marketed as "FAMILY SIZE", but none of them are equivalent in weight to the others. : r/interestingasfuck