1、The sticker have numbers and intonation symbols on the exterior, so you can see each key more clearly. 2、Piano key stickers are not only decorative objects, but also protect the piano keys from scratches and impacts. 3、The sticker is transparent and very thin, looks glossy and has no resistance, and it hardly feels heavy when playing the piano. 4、Made of self‑adhesive materials, which can be removed after pasting without leaving any residue, and can be reused. 5、The letters and numbers on sticker are colorful and very large, suitable for children who are beginners to piano. 1 x Piano Stickers Item Type: Piano StickersMaterial: Self-AdhesiveUnfolded Size: Approx. 26 x 24cm / 10.2 x 9.4inApplicable People: Piano beginners/enthusiasts