Rollbahn Custom Charm Coffee [Product Description] Acrylic custom charms from the same series as the cover of the March 2026 diary are now available. Attach them to the rings of Rollbahn diaries or pouches like the Inner Carrying series, and carry your favorite designs with you. It has two hooks and the length can be adjusted. We also recommend using them with the Rollbahn diary of the same design, starting in March 2026. Immediate purchase is welcome.