A great compact case for viola! REFERENCE : 5101S WEIGHT : 7 lbs. INTERNAL MEASUREMENTS : Total Length: 28.9 in. / 73.5 cm.Body Length: 16.33 in. / 41.5 cm.Upper bout: 7.9 in. / 20 cm.Lower bout: 9.4 in. / 24 cm. EXTERNAL MEASUREMENTS : Total Length: 32.7 in. / 83 cm.Case Width: 12.2 in. / 31 cm.Case Depth: 7.7 in. / 19.5 cm. INSIDE FEATURES : Made for 41.5cm (16 3/8 inch) viola. Internal instrument cradle made of high density and resilience injected polyurethane foam, protecting the instrument against shock and unwanted thermals. Included removable accessory compartment. Fitted for 2 full size bows. OUTSIDE FEATURES : Made with 2000 denier water-resistant Cordura fabric. Included set of removable and adjustable padded backpack straps. Sturdy side carrying handle. Subway handle for close quarters transportation. Large external back pocket for sheet music. 2 removable pockets in the large external pocket. Flat front pocket made of reflecting fabric. High quality zipper with included security combination lock.