Description: Made of acrylic material, it feels warm, with metal vibrator, maple nut and saddle. Beautiful, faster transmission of vibration, better resonance, and more pleasant sound. Each key is engraved with letters and notes, and the ends of the keys are bent downward. This can protect your fingers from injury while you are playing. Even if you don't have any musical foundation, you can quickly learn to play some simple music. The keys are made of high-quality mineral metal to provide comfortable performance and effective vibration. Our study manual introduces the usage and performance methods in detail, making it easy for you to get started. Suitable for beginners, children and professionals. Specification: Material: Acrylic Size Chart: 16x13.5x2cm/6.30x5.31x0.79inch Package Includes: 1 Piece Thumb Piano 1 Piece EVA Storage Bag 1 Piece Percussion Stick 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!