ONLINE Colourful double-sided ink cartridges, red - green - black - purple, universal ink cartridges, compatible with all common fountain pens, even Lamy pens - Spare ink cartridges, 4-pack

COLOURFUL WRITING: 4 packs, each including 5 ink cartridges. Red, green, black, and purple ink. Large ink cartridges to write for hours and hours without having to change the cartridge so often. FOR EVERY FOUNTAIN PEN: Are you bored of writing with the same fountain pen every day? These double-sided ink cartridges are compatible with all common fountain pens, even Lamy pens. PEN REFILLS KIT: Universal ink cartridges in a 4-pack as a refill kit. Refill cartridges for home and school. Usable on both sides. One side fits Lamy ink pens, the other side fits all other standard pens. PREMIUM INK: Our ONLINE high quality inks have an even colour that doesn’t change. Available in different colours and kits. ONLINE BRAND QUALITY: Online is a German company founded in 1991 and specialises in pens, calligraphy kits, pen cases and much more. Online offers high quality only!