Transparent and Removable: Made of transparent vinyl with a long-lasting adhesive that will not damage your keyboard. Double Layer Coating: Stickers are laminated to protect the ink from frequent use, nail polish, or other substances. Works on Keyboards: Suitable for any keyboard or piano with WHITE KEYS (49, 61, 76, or 88 keys). The sticker sheet covers four octaves. Product Category: Piano Stickers Applicable Scene: Music Instruments Color: Chromatic Color Material: Transparent PVC Size: 29*21cm Package Contents: 1 x Piano Sticker Note: Light and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allows an error of +/- 1-3cm. Only the above package content is included; other products are not included.