A single adjective for 'too big to fit'
Solution 1:
I haven't seen it used before in this particular context, but outsized might fit:
: an unusual size
especially : a size larger than the standard
(source: Merriam-Webster)
I haven't seen it used before in this particular context, but outsized might fit:
: an unusual size
especially : a size larger than the standard
(source: Merriam-Webster)