Colour Name:black, whiteThe clear transparent piano key stickers help beginners to pass the introductory course quickly. Features: Perfect for kids: It keeps your eyes on the notes while you play, a perfect product for small children who just start to learn how to play the piano. Long-lasting: The stickers are printed on transparent material and coated with a long-lasting adhesive material that will not damage your keyboard. Have fun & learn: It makes learning the notes easy and speeds memory of the keys, makes piano learning easier and funnier, especially for piano beginners and kids. Easy to install: Comes with a user guide with easy instructions to help you install them within minutes. Applicable keys: Piano, electronic organ, hand held piano with 37/49/54/61/88 keys Material: Transparent PVC How To Use: 1. Use scissors to cut the stickers one by one along the edges 2. Tear off the stickers according to the instructions and find the corresponding keys 3. Stick part of the sticker along the keys and gently smooth it out