Protec L204 Leather Trombone or Euphonium Mouthpiece Pouch

Protec Leather Trombone or Euphonium Mouthpiece Pouch Overview

The Protec L204 is a leather mouthpiece pouch designed to protect a single trombone or euphonium mouthpiece during transport and storage, using a full-coverage design, softly padded non-abrasive lining, and a secure magnetic closure in a compact, professional form factor.

Protec L204 Leather Mouthpiece Pouch Specifications

• Trombone or Euphonium mouthpiece pouch
• Capacity: 1 mouthpiece
• Leather exterior: Durable leather with a classic and professional design
• Reinforced stitching: The entire pouch is stitched with high-quality thread made to last
• Magnetic closure: Strong magnetic snap ensures a secure fit
• Lining: Softly padded, non-abrasive lining

Protec L204 Specs & Fit Info

• Fits most trombone and euphonium mouthpieces
• Exterior dimensions: 2.75 in (L) x 1.5 in (W) x 4.8 in (H) (70 x 40 x 125 mm)
• Interior slot storage depth: 3.9 in (98 mm)
• Weight: 1.4oz; 39.7g

Condition 

Brand new in original packaging

Who the L204 Trombone/Euphonium Mouthpiece Pouch is For

The Protec L204 is a single-mouthpiece leather pouch for trombone and euphonium players who want secure, full-coverage protection for a mouthpiece in a gig bag, case pocket, or backpack. Its softly padded non-abrasive lining helps prevent cosmetic wear, and the magnetic closure is designed for quick access while keeping the pouch securely closed in transit.

This model is a practical choice for students through professionals who carry one primary mouthpiece and prefer a straightforward, durable leather exterior with reinforced stitching for long-term use. It is also a good fit for players who prioritize responsible materials: Protec states that all materials are tested to be free of Lead, DEHP, PAHS8, DBP, and BBP.

Common Questions about the Protec L204

Will the Protec L204 fit my trombone or euphonium mouthpiece?

The L204 is designed to fit most trombone and euphonium mouthpieces, with an interior slot storage depth of 3.9 in (98 mm). If your mouthpiece is unusually long or has an oversized profile, compare its overall length to the interior depth for best results.

How does the closure work, and is it secure in a bag?

The L204 uses a magnetic snap closure. It is designed to stay closed during normal transport while still allowing quick, one-hand access when you need to swap or store your mouthpiece.

What does “responsibly made” mean for this pouch?

Protec states that the materials used in this pouch are tested to be free of Lead, DEHP, PAHS8, DBP, and BBP.

We are proud to be an authorized Protec dealer