GUZHENG FINGER GUIDE: Suitable for guzheng beginners, can help you quickly recognize the strings to memorize the sound.
5 COLOR TONE ZONES: 5 colors to distinguish different tone zones, easy to recognize and strengthen the memory. (Treble - Green), Soprano - Orange, Alto - Cyan, Bass - Pink and Blue.
EASY TO STICK: Comes with self-adhesive on the back, easy to stick and tear, easy to remove without leaving traces.
UNIVERSAL: Suitable for 21 string guzheng, universal.