This model fits bass trombone with bell size until 8.5 inches and also fits a mute, your design possibility it also fits trombones with hand support.
Tenor trombone case with place for mute and trombone stand (mute and trombone stand are not included).

The case includes:
  • 2 backpack straps
  • 1 shoulder strap
  • 1 mouthpiece pouch for three mouthpieces
  • 1 pouch for 2 leadpipes
  • 1 identification tag