Detail 01
Large brass sizing
Cut for tuba, euphonium and bass trombone shanks. A trumpet piece will shift around inside.

Independent shopping perspective
Padded zip pouch for a large brass mouthpiece — tuba, euphonium, bass trombone. Buy it to stop a mouthpiece rattling loose in a case.


Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
Cut for tuba, euphonium and bass trombone shanks. A trumpet piece will shift around inside.
Detail 02
Absorbs knocks that would otherwise dent a rim or shank — the two parts that ruin a seal.
Detail 03
Goes in a case pocket, backpack or bag rather than mounting to anything.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
It is made for large brass — tuba, euphonium, bass trombone. A trumpet mouthpiece will fit but sit loose, so it can move around inside.
It is a single-mouthpiece pouch.
No. It is padded fabric, sized to cushion knocks in a case or bag rather than resist crushing.
No attachment hardware. It is meant to drop into a case pocket, gig bag or backpack.