Features: Made from ABS+silicone material, it has a comfortable feel and a user-friendly appearance design, making it easy for beginners to operate. This five finger training tool for piano beginners and performers to exercise their hands, train finger strength, and correct finger posture. This design is designed to correct fingering and maintain the correct posture of the palms to ensure good support. Use this fun and effective hand trainer to enhances your musical performances and take your piano skills to a new level. Palms support is the keys to maintaining good hand posture. Hand orthotics are suitable for most instrument performers and can also be used for finger strength exercises in daily life. Specifications: Material: ABS+silicone Size: Approx. 12.5x10.5x6cm/4.92x4.13x2.36inch Package Includes: 2x Piano Finger Trainer note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.