The Kaweco Light Blue M 6-pack of refills brings freshness and vibrancy to your notes with its brilliant turquoise hue. The pack of 6 short international standard cartridges contains water-soluble liquid ink that glides smoothly across the page without flow interruptions. It fits quickly and securely into Kaweco Sport, Perkeo, and compatible pocket pens. The luminous light blue shade is the perfect choice for titles, delicate corrections, bullet journaling, and creative notes in personal notebooks.