Feature:1. FOR 4/4-3/4 VIOLIN: This is a bow posture corrector for 4/4-3/4 violin, useful and practical, you can use with confidence2. GOOD QUALITY RUBBER MATERIALS: Made of good quality rubber materials, flexible, wear resistant, cold resistant, not easy to get discouraged. Practical and durable3. TEACH BEGINNERS TO HOLD BOW CORRECTLY: Violin bow grip aid is designed to teach beginners to hold the bow correctly, helps a lot for study4. PLAY VIOLIN MORE EASILY AND CORRECTLY: You can learn to use the grip to play the violin more easily and correctly, which bring high efficiency5. PERFECTLY FIT: The length is 10.5cm, perfectly fit for your instrument, simple to learn and convenient to useSpecification:Item Type: Violin Bow GripColour: BlackMaterial: RubberProduct Size: Approx. 10.5cm / 4.1in.Package List:1 x Violin Bow Grip