Effective guitar note stick: Our colorful guitar string stickers are definitely a great help for guitar beginners. It makes it easier to learn and your memory, so you can enjoy it while playing the guitar completely. -friendly sticker: The detachable guitar character sticker is easy to install and remove, and can be re-attached, but it will not leave any residue on the fingerboard. Each string is numbered: by using this guitar note, you 't have to stop often to count the notes of each chord change, and it is easy to find your position again when going from note to note or from chord to chord. Designed for self-study: Our neck piano chart note strips are designed for self-study or guitar lessons, and you can improvise notes up and down on the neck. The entire layout of the neck can be seen at a glance, helping to unlock the mystery of the fingerboard. Note: The color of the picks is random and cannot be and specified size:Pickle thickness 0.46mm, 0.71mm, 0.96mm Material:Paper + Celluloid colour:As Shown Package Contents: 5 x Guitar Stickers 12 x Guitar Picks(4 pcs/size) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.