Waterproof, dustproof & tear resistant nylon. Extra thick, well balanced & padded carrying handles. All straps are stitched around the bag & riveted. A4 zipped accessory pocket & headstock pocket. Internal pocket organiser. Additional zipped mesh pocket. Reinforced base of carbon fibre with nylon protectors. Adjustable extra strong shoulder carrying straps. 30mm high impact padding throughout. Additional bridge & headstock protectors inside. Wide double stitched opening with 2 zips. Extra hanger for coat rack etc..