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 directly to the 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, consistent 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 octave positions. Reapply at any time if additional guidance is needed. 5. FULL 88-KEY COMPATIBILITY: Designed to fit standard 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 Includes: 1 Piano Notes Guide