Features 1. NO GLUE, NO STICKING REQUIRED: The piano notes guide is made of silicone and connects the labels in series, eliminating the need to adhere to keys like traditional piano stickers. Easy to install and remove without leaving residue, keeping your keyboard clean. 2. DOUBLE STAFF DISPLAY: Displays each key's note on both treble and bass staves, helping users quickly locate the correct key, compatible with standard piano sheet music notation. 3. BEGINNER FRIENDLY: No prior knowledge of key names or Middle C location is needed. Simply place the note strips on the piano keyboard for immediate use. 4. REMOVABLE AND REUSABLE: Can be removed once you are familiar with the keyboard layout and reinstalled as needed for continued learning support. 5. FITS 88-KEY INSTRUMENTS: Designed to fit standard full-size 88-key pianos, including grand pianos, upright pianos, digital pianos, and keyboards. Specification Material: Silicone Color: White Size: 18.5x9.5x1.8 cm Weight: 110g Package Include: 1 Piano Notes Guide