Transparent and Removable: on transparent vinyl and coated with a long lasting adhesive material that will not damage your keyboard.Double Layer Coating: Stickers are laminated to protect the inks from frequent use, nail polish, or other .Works on Keyboard: Enough for any keyboard or piano WHITE KEYS (49, 61, 76, or 88 keys).The sticker sheet cover FOUR OCTAVES.Product category: piano stickersApplicable scene: music instrumentcolour:chromatic colourMaterial:Transparent PVCsize:29*21cmPackage Contents:1*Piano StickerOnly 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.