Why you need the Hofner Violin Bass Hardshell Case ‑ Retro Tweed:Your bass is a major investment, protect it with the Hofner Violin Bass Hardshell Case ‑ Retro Tweed. This handsome hardshell case boasts a It also features a built-in hygrometer to check the humidity of the case.Features:Timeless checked tweed exterior Nickel hardwareVintage-style post handle Plush interiorBuilt in hygrometer