Violin Case, 4/4 Full Size Violin Case, Portable Lightweight Violin Hard Case with Hygrometer, Violin Case Backpack for Violinists, Professional Violin Backpack with Handle, Accessory Bag, Comfortable Adjustable Straps, Black

【For 4/4 Violin】: The storage box is of moderate size, suitable for storing 4/4 violin, and the precise shape prevents the violin from moving. 【Built-in Hygrometer】: The hygrometer built into the violin case allows you to monitor the humidity level to ensure that the shape and sound quality of the violin are never compromised. 【Shoulder Strap】: Comfortable and adjustable thick padded double shoulder strap, with locker loop for hanging, smooth and durable. 【Durable Shell Material】: The violin case is made of carbon fiber, durable and waterproof, easy to store and carry, and protects the violin from damage. 【Full Protection】: The violin case has a durable and comfortable plastic handle, not easy to fall off, and protects the instrument at any time.