This model fits tenor trombone with bell size until 8.5 inches, your design possibility it also fits trombones with hand support.
If you have a 9 inches bell trombone, you should choose: Case for Tenor Trombone model MB Light XL

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