Description: Five Line Spectrum Controlled Version(Five line spectrum and word group and the elevator control table) 88 keyboard piano finger practice guide Made of Waterproof paper, which is resistant to dust and ink Helping beginners to understand the piano keys The basic principle of help beginners quickly learn piano A perfect aid for chidren student beginner learning piano and keyboard Size Chart: L x W: Approx. 119.6 x 20.5cm/47.09 x 8.07 inch Package Includes: 1 Piece Piano Keyboard Practice Paper (In Paper Tube) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Due to manual measurement, there may be 1-2mm error in size