Features: 1.Made of quality material, sturdy, wear resistant, durable. 2.With rubber feet to protect the violin surface from scratching. 3.Adjustable both side of width and height, convenient to use. 4.The soft latex will not hurt the violin, ,prevent violin from falling off, not easy to soften. Soft foam cushion releases neck pains. 5.Compatible for 3/4 and 4/4 violin size. Specifications: Material: Plastic steel glass Optional Color: blue, green Size: Approx. 21*5.5*5.5cm/8.3*2.2*2.2in Packing List: 1 * Violin Shoulder Rest 1 * Cleaning Cloth 1Made of quality material, sturdy, wear resistant, durable. 2With rubber feet to protect the violin surface from scratching. 3Adjustable both side of width and height, convenient to use. 4The soft latex will not hurt the violin, ,prevent violin from falling off, not easy to soften. Soft foam cushion releases neck pains. 5Compatible for 3/4 and 4/4 violin size.