From another post:
Well, there's always Zero or Pelican cases. Pelicans are more durable and customizable. You can throw a Pelican off of a building and it may survive, incredible things.
You can get a Pelican to fit anything on earth:
http://www.pelican.com/calculator.phpOr for the more classic Internantional Man of Mystery look, a Zero Halliburton:
Plenty of cases on ebay, this one is ABS and measures 11.5" x 3.5” x 7"
Clarinet CaseMore...