Features:100% brand new and high qualityGreat for practicing and playing violin when you don't want to disturb your family or friend, effectively reduce the volume by 70%.Easy to use, just wedge on the bridge and do not need to bind, easy to get on and off the violin. It would not effect the tone but give the violin a mellow sound.Simple but effective, designed for 1/2 and 4/4 violins, easy to put on and take off.Made of non-toxic high-quality rubber, good elasticity, durable for a long time. High effect in weakening the sound. The rubber feet do absolutely no damage to the bridge. Package Includes:1x Violin Silencer Specifications:Material:RubberSize:Approx.5.2x2.2cm/2.05x0.87inchesColor:Blue/Green/Red/Yellow note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.