Genuine leather backpack specially designed for the Super Bayan Sirius, Sirius Millennium and Nòva models, but of course also usable for other models and brands. The upholstery is made of high-quality genuine leather, while the inside is made of soft velvet. The shoulder straps, made of genuine leather with neoprene padding, guarantee optimal comfort during transport. In addition, it offers a zippered front pocket, useful for musical scores, and it is possible to equip the backpack with an interchangeable light-aluminum trolley.