Violin Case, 4/4 Full Size Violin Hard Case, Professional Violin Case Backpack, Portable Lightweight Violin Hard Case with Hygrometer, Violin Protection Box, Cotton Lining, Portable Violin Backpack, Grey

【For 4/4 Violin】: The storage box is moderately sized and suitable for storing 4/4 violins, and its 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. 【Protection】: Suspension cushion keeps the violin centered to minimize impact to the instrument. 【Easy to Carry】: The violin case is lightweight and easy to carry while protecting the instrument. The double straps allow the case to be turned into a backpack. 【Violin Friends】: Suitable for beginners and advanced violin lovers, suitable for 4/4 violins.