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