Piano Keyboard Layout: Standard piano keyboard pattern on top with black and white keys facilitating familiarity with piano key arrangement for seamless practice. Music Staff Whiteboard: Display five-line scores effortlessly for music theory practice and learning, enhancing musical knowledge and skills. Note Marking Clarity: Clearly marked notes under each key (C, D, E, F, G, A, B) aiding quick sound name recognition and memorization for efficient learning. Portable & Durable: Compact structure with reinforced gray edges ensures durability and portability, enabling convenient usage anywhere, anytime. Multifunctional Utility: Ideal for beginners to grasp music theory and keyboard basics, while serving as a teaching aid for educators to enhance instructional effectiveness. Item Name: Music Staff Board Material: Metal, PVC Type: Double-sided Features: Portable Size, Dry Erase, Reusable Size Details: A, L: 30cm/11.81", W: 20cm/7.87" (Approx.) B, L: 30cm/11.81", W: 20cm/7.87" (Approx.) C, L: 30cm/11.81", W: 20cm/7.87" (Approx.) D, L: 30cm/11.81", W: 20cm/7.87" (Approx.) E, L: 30cm/11.81", W: 20cm/7.87" (Approx.) F, L: 30cm/11.81", W: 20cm/7.87" (Approx.) G, L: 40cm/15.75", W: 30cm/11.81" (Approx.) H, L: 40cm/15.75", W: 30cm/11.81" (Approx.) 1 Set, L: 4cm/1.57", W: 3cm/1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: A,B,C,D,E,F,G,H: 1 x Music Staff Board or 1 Set: 1 Set of Magnetic Notes