NO NEED STICK: piano stickers is made of silicone and connects the labels in series, is no need to stick to the like piano stickers. Easy to install and easy to remove without leaving residue or damaging the piano .LARGE BOLD LETTER DESIGN: Each key is labelled with a large, bold and easy-to-read letter to aid in learning music notation and finger positioning. Moreover, We add an "Sharp and Flat" display and "" on the musical labels.FLEXIBLE FIT: The note stickers are suitable for full-size keyboards with 88, 76, 61, 54, 49 or 37 . For 76/61/54/49 keyboard needs to be cut with scissors, please refer to the installation guide.REMOVABLE & REUSABLE: Our piano key stickers can be quickly applied and removed as needed. When you start to know the and become familiar with the octave rule, you can remove the note strips from the keyboard.PORTABLE LEARNING AID: Packaged in a compact case, these stickers are for taking music lessons on the or practising at home. With this tools, beginners can easily start their musical .