about this project Compatible with 4/4 - 3/4 ViolinsThe height, width and angle can be adjusted by the available screws on both sides, suitable for 4/4 and 3/4 violin sizes Lightweight and Comfortable: It is made of super soft replaceable neoprene for long-lasting comfort, 58g net weight, soft EVA foam provides excellent support and stability Relieve Stress: Ergonomically soft violin shoulder pads provide a firm grip, prevent the violin from falling, and eliminate stress on the jaw and neck Soft Silicone Claws: High-quality soft rubber feet protect the surface of your violin and prevent any damage or scratches Perfect Gift: Excellent support and stability, your shoulders will never feel tired or tired during practice and playing, perfect choice for beginners, professionals, kids and adults