The MB2-NEW is a newly revised version of the original MB2 fixed bell design by Marcus Bonna. Made by hand in a factory setting in Brazil, Marcus Bonna cases are among the most popular by horn players of all levels. This updated design includes room in the bell throat area for a straight mute. Although slightly larger than the original MB2, the added features makes up for weight and size. Padded backpack straps, shoulder strap, mouthpiece pouch. The MB2-NEW has a zipper enclosure and a soft cloth interior over forgiving foam. The shell is made of molded fiberglass.