This is a shoulder rest for a violin from BONMUSICA. I purchased it about a year ago and used it for about six months. Although it says 1/4 size, I used it on a SUZUKI 1/8 size violin. The 1/4 sticker on the shoulder rest is peeling off. The red circle sticker was attached as a marker for attaching it to the violin. Both will be left as they are, in their current condition. It has been slightly bent for adjustment, so there are bends in the metal parts. Please check the 7th photo. A German/English instruction manual is also included.