Marcus Bonna Case for Detachable Bell Jazz Trombone - Black NylonThis model fits a small bore trombone with a bell size up to 203 mm bell diameter. The slide is attached to the lid with a velcro belt. A hard partition made of foam separates the slide from the main body of the trombone, which lies on top of a compartment space. The bell is stored next to this compartment. There is space for accessories in the compartment inside or in the exterior detachable sheet music bag. A trombone stand can be attached to the