SPS®-system. Made of 1680 Denier Cordura, black colour. Padded plywood at the bell. 5-sided case, made of plywood, compartmentalised, applied accessory pocket, soft handle, magnetic closure. Adjustable Deluxe backpack straps with a new closure system (GEWA system). Belt pocket usable also as a sheet music pocket, shoulder strap. For bass trombone with a bell up to 10.5'' Ø. The internal size of the pocket for the slide: approx. 84 cm.