This item is for those who have completed the entire Shin-etsu Trail (Mt. Madarao - Mt. Naeba). You can purchase this item after applying for a certificate of completion of the entire Shin-etsu Trail from the official Shinetsu Trail website (https://www.s-trail.net/english/certificate/). It is made of metal and features an old style design with a motif of 110 km of the entire trail. Diameter: 3cm Weight: 10g