Wooden violin shoulder rest fits for 3/4 and 4/4 violins, holding violin stably on the shoulder and reduce shoulder stress Adjustable feet for changing the width of shoulder rest to adapt to 3/4 violins for kids and 4/4 violins for adults Sturdy maple wood material for longer service life, beautiful wood color matches well with violin Sponge padding for comfort, slip resistance and long time playing Violin rosin for better grip, mute for lowering vibration of the strings, clean cloth for wiping