These Hohner 3D glow-in-the-dark key stickers enable you to select and play the correct harmonica key quickly in darkened surroundings. They are bright, readable from every angle, and help prevent holding the harmonica upside down.
Packet contains 60 stickers, size 6x8mm each. In all the keys including low tunings and harmonic, minor and country tunings.
Ideal if your harmonicas are stored in a case.