Altieri's FLBP-00-BK000 backpack can hold two flute cases and a piccolo case, as well as a computer. The backpack protects the flute from temperature fluctuations and moisture. The backpack has its own padded pockets for the flute cases and computer. The backpack has a durable zipper, adjustable straps, and zippered pockets on the front and back. The material is water resistant. Dimensions: 48.26 cm long x 33.03 cm wide x 13.97 cm deep.