I'm a new-comer to cornsnakes, so hopefully one of the seniors will add to/correct this ...
What I've found in my search for the right size tub is: shoebox size for babies up to about 2 ft long.
Other size containers I've found are "shirt" and "sweater" boxes w/ dimensions approximately 12x16x6 and 23x16x6, respectively. But about the only guidelines I've found for who goes where is that sweater-size is for small boas or large corns.
So, I'm still hoping to find what constitutes a "large" cornsnake. Can any of you experienced corn-moms or -dads out there offer some advice on any of those boxes (including the shoebox ones), please?