【COMPATIBLE WITH 1/2-1/4 VIOLIN】Fits for both 1/2 and 1/4 violin sizes.Height, width, angle can all be adjusted by the screws available on both sides,Perfect for violinist's shoulder and prevent the instrument from sliding off without requiring extensive down pressure from the chin and the neck. | 【ERGONOMIC DESIGN】This violin shoulder rest has Curved bar. Perfectly fit for human's shoulder shape,which can prevent the violin from falling off, eliminate the pressure on your chin and neck. Provide you more natural and comfortable experience.It's the perfect choice for beginners and professionals, kids and adults. | 【HIGH QUALITY MATERIALS】This violin shoulder rest features EVA foam that ensures a malleable supportive violin accessory. This premium quality material is extra-thick and extra-soft for long-lasting comfort in order to avoid any inconvenience during your practice.The rubber feet grips are made of a soft, non-skid, wear-resistant silicone material, which can prevent your violin from any damage or scratches. | 【FREE VIOLIN MUTE&VIOLIN ROSIN】Together with the violin shoulder rest, a free gift violin practice mute and violin rosin is packed. Rubber violin practice mute is suitable for people who is a beginner. It would help to cut the sound down so the squeak is tolerable. When you don’t want to disturb others, it’s also a must have for you.This Rosin is well suited for violin, viola and cello.Enables maximized projection and extra clear bow articulation. | 【100% customer satisfaction guarantee】 Each violin shoulder rest purchased from THENG is given 12 months' warranty, since we always offer best quality products to our customers. Hope you enjoy your every music moment!