My daughter used this during her middle school games. There are four snap button marks on the back where the bib was attached. Please check the photos. This is a used item, so please understand before purchasing. This is just a casual inspection. Please refrain from purchasing if you are concerned about minor details. Yu-Yu Mercari Mail ⇔ Rakuraku Mercari Mail ⇔ Yu-Packet Post May be changed depending on my circumstances.