Violin Case, 4/4 Full Size Violin Hard Case, Portable Lightweight Violin Case Backpack with Hygrometer, Professional Violin Case Backpack, Rectangular Violin Hard Case for Violinists, 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 damaged. 【Cotton Lining】: The inside is made of thick cotton, which is soft and wear-resistant, and can provide good protection for the violin. 【Detailed Design】: It is equipped with a metal lock to prevent the violin from falling off, and has a large storage space where you can place various accessories. 【Shoulder Strap】: Each violin comes with two shoulder straps, which can prevent the violin from being lost and are convenient to carry for any occasion.