Musical instrument case Thermo shell with padded suspension system, ideal for protecting your instrument. It weighs approximately 3.3 kg, with a screw-on lid that features a large pocket for sheet music and is waterproof. Includes patented GEWA bow holder and elastic bow holder. The case has accessory compartments and features two detachable neoprene backpack straps. It is externally covered with black Tex and internally with blue velour fabric.