Plastic (tupperware type) containers with lids that WILL NOT fit

[Electric_Andy]

I learned many years ago that these containers are best stowed with the lid on. It also limits the number you can keep to a sensible level

I agree. But better than that, I bought some in home bargains last week, a 3 pack that fit inside each other with the lids on. Granted they aren't Tupperware quality, just thin plastic, but they do the job