Think they measured them?

Either makers of Beetlewix and similar make their pack to fit cupboards, once removed from packet OR Cupboard makers make cupboards to fit packs.
Just checked, doesn't hold for another well-known Cereal.
Signs of stir-craziness creeping in?
Don't miss tomorrow's thrilling episode.

Afterthought:-
The extra - Possibly my last "Treat" for many a long moon?
In case you hadn't noticed I'm inordinately fond of Scallops.
it's a kind of "unfinished Symphony" since the idea occurred after I'd "wired in to them".
;¬)