Violin Case, 4/4 Full Size Violin Hard Case with Hygrometer, Portable Lightweight Violin Case Backpack Made of Carbon Fiber, Violin Backpack Rectangular Shape, Waterproof and Rainproof with Adjustable Shoulder Strap, White A

[Durable shell material]: The violin case is made of carbon fiber, which is durable and waterproof, easy to store and carry, and protects the violin from damage. [Built-in hygrometer]: The violin case has a built-in hygrometer, which can ensure good violin shape and sound quality inside the case. [Shoulder strap]: Comfortable and adjustable thick padded double shoulder strap, with a locker loop for hanging, smooth and durable. [Full protection]: The violin case has a durable and comfortable plastic handle, not easy to fall off, and protects the instrument at any time. [Easy to carry]: The violin case is lightweight and easy to carry while protecting the instrument. The double strap allows you to turn the case into a backpack.