Features:1. Help the correct position tool: Violin accessories enhance the violin bow to help the correct position of the tool.2. Made of rubber material: violin accessories are made of rubber material, they are durable and soft, which can better protect our fingers3. Soft and Comfortable: The violin accessories are soft and comfortable finger and middle finger; Exercise longer.4. Good Replacement: Violin accessories are a good replacement for violin players. Description: The violin accessories are made of rubber material, durable and soft, which can better protect our fingers. Specifications:Material: Rubber Size: 10.6//9.5/7.9CMPught Includes:1*Violin Posture CorrectorNotes:1. Please allow 0-1 inch error due to manual measurement. Thank you for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object.