Inside features:
- 2 dedicated slots Double Bass German bows.

Outside features:
- Shells made of the Bam Hightech technique : a tripleply structure made of high performance materials (ABS, Airex foam, another type of ABS);
- Very comfortable bimaterial side handle;
- 2 built-in locks;
- 1 comfortable neoprene antislip backpack strap with security screw hooks.