Size: Width: 400mm, Height: 85mm, Depth: 55mm Material: Nylon Weight: 180g (excluding strap) Fits Muramatsu, Sankyo, Miyazawa, Pearl, and Altus cases. *Yamaha cases do not fit. Please inquire about other manufacturers. Sizes are approximate. There may be a few millimeters of variation. [Reliable Japanese Manufacturer Original Product] This is a lightweight and high-quality flute case cover with a simple design! "M's" is a brand that delivers original design items from Moridaira Instruments (Muramatsu Flute authorized distributor).