INSIDE FEATURES : Inside cradle made of injected high density polyurethane foam, protecting the instrument against thermal shocks Accessory compartment String tube 4 bow holders OUTSIDE FEATURES : 2 padded backpack straps adjustable, removable Anti-slip shoulder strap with pad adjustable, removable Side handle Subway handle Large expandable external pocket for sheet music Zipper and central security flap with a turn lock 1000 denier water-resistant Cordura fabric PVC fabric reinforcements