The MB-4 is a detachable bell flight case. It sports a very lean design, and includes a music pouch that attaches with velcro.
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Marcus Bonna cases have been an extremely popular choice for brass players since 1991. All MB cases are lightweight, compact, and durable. Fiberglass (or carbon fiber) shell, nylon (or leather) exterior. High-quality stitching and components. Handmade in Brazil.