Features: Made of quality Aluminum Alloy material, and it provides glossy and stylish looks that will perfectly complement your beloved violin. Thick foam pad on the underside of the bar enhances comfort further, allowing you to play for long periods of times without causing shoulder pains or irritation. The violin shoulder rest is adjustable to fit the 4/4 and 3/4 violins, it is well-built, comfortable to use, and will last a long times. Anti-aging silicone feet give a firm control of your instrument, which have no detrimental impact upon the sound of your instrument, nor will it scratch or damage your violin. And the feet height can be adjusted to your size, which help you to place the shoulder rest in the most comfortable position. Specifications: Material: Aluminum Alloy+Silicone+Sponge Color Options: 2 Colors are Available as Shown in the Picture. Package Weight: approx.126g Size: approx.21.5x6.5x10.5cm/8.46x2.55x4.13in Package Includes: 1Pc Violin Shoulder Rest note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!