Features: For BeginnerQuickly familiarize yourself with the piano keyboard, it is an auxiliary tool for the primary stage of piano learning, which helps to quickly master the basic principles of piano Musical NotationThe keyboard bar is printed with the relevant marks of the musical notation, which is conducive to improving the player's attention and greatly improving the efficiency of piano practice Easy To InstallFind the Middle C key marked on the piano key labels to correspond the same key on the piano, and then flatten the keyboard notes overlay 88 KeysPrinted with technology, the font is clear and does not fade, with black and white matching, integrated with the piano, fits pianos with 88 keys in standard size Main MaterialMade of soft silicone, environmentally friendly, waterproof, anti-folding, tear-resistant, flat and not deformed, smooth to the touch, and Specifications: Type: Piano Keyboard Note Material: Silicone Color: Black, Colorful Box(L*W*H): About 16.5x8.4x1.7cm/6.5x3.31x0.67inch Package Included: 1box x Piano Keyboard Note Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. Welcome to our store , hope you have a pleasant shopping experience