German bass bow case in high modulus carbon fiber made of pre-preg. Internal core in cork to improve the thermal insulation and rigidity. The exclusive B&C design surround gasket is dustproof and waterproof in IP67 class. Pressure button closing. Complete with handle for carry handle, and hooks for mounting a shoulder strap. Interior upholstered in high-quality materials, Exterior finishing in carbon with glossy paint or effect "dew" scratchproof.