The handmade Marcus Bonna trombone case consists of a fiberglass shell with a durable nylon replaceable cover. The Tenor/Bass Double is a compact standard length case with a semi-open floorplan interior for maximum flexibility in fitting your instruments. This is one of the most protective double cases on the market and is use by many of the world's top professionals. With this design, your tenor and bass trombone are stored with their bells at either end of the case, protected by rigid plates in addition to the case's exterior wall, Their bodies overlap, and are separated by a permanantly attached, thickly padded divider. Numerous detachable foam blocks can be positioned to provide the best support and most security. The slides are stored side by side behind the bell sections and are also separated from each other by a permanantly attached padded divider. The slides are separated from the bells by a rigid wall. Overall the fit is secure and safe. Features include: