The MB-4 is a detachable bell flight case. It sports a very lean design, and includes a music pouch that attaches with velcro.

Is this the right Marcus Bonna case for my horn?

Don't see the colors you like here? Check out the Marcus Bonna Options page.

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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.

Most new instruments and accessories over $25 are eligible for free shipping to the continental US.

Sheet music, tubas, and pre-owned instruments are excluded from free shipping.

Click here for our full shipping policy.

Most products have a 30-day return policy that starts on the day the customer receives the item (15 days for pre-owned instruments). The customer is responsible for the cost of initial and return shipping. There will be a $5 cleaning fee for returned mouthpieces and a $50 cleaning fee for returned instruments.

Some product categories are ineligible for return, which include special orders, sheet music, consumables such as lubricants or cleaning snakes, and personal items such as clothing or face masks.

For non-US customers, shipping, taxes, duties, and customs fees are non-refundable. In addition, if Houghton Horns is charged any taxes, custom fees, or duties for the return for any reason, these will be deducted from the refund as well.

See the policy links at the bottom of our website for more information.

Click here to request a return.

Any product labelled "Special Order" is a final sale, no refunds or exchanges. Likewise, any product that has been customized at the customer's request can no longer be returned.

Click here for more information on special orders. If you want it, we will try our best to get it to you!