The Bam Softpack Trombone case is attractive, light and compact; its the city case. The outside shell is made of a sleek metallic colored ABS, the bottom part is made of a black soft-touch anti-slip elastomer, assembled with a strip of durable and water-resistant nylon fabric. Includes a large exterior pocket.The inside cradle made of high-density polyurethane foam, injected around a mold taking on the exact shape of the instrument and protecting it against thermal shocks – reinforced all around.