Here is a nice Red Calton Banjo Case with Silver interior.
These will fit many makes of Resonated banjo.
It will fit Gibson Mastertones and brands made similar to Gibson Mastertone.
Calton cases are very hard to damage and have been the go-to case for airline travel for many years among music professionals and serious amateurs.
Five heavy duty latches, Leather handle, protectors for hinges and latches, locking center latch.