Wordsworth & Black 24 Pack Fountain Pen Ink Refills - Set of 12 Blue Cartridges International Standard Size Length APPR 1.5" Base Diameter 0.24" Disposable and Generic

✅Big Value Black and Blue: The 24-pack features 12 BLACK and 12 BLUE international standard size ink cartridges to fit almost all fountain pens on the market. ✅Smooth & Uninterrupted Ink Flow: With no break in ink flow, enjoy a smooth and optimal writing experience as your fountain pen glides elegantly across paper. ✅Neutral Ph & Non-toxic: The Calligraphy pen ink has been carefully manufactured using only natural dyes giving the composition a neutral, natural, and non-toxic pH. ✅Long Life Span: Each calligraphy ink and fountain pen ink cartridges comes in a plastic re-closable case and will last you at least 2 weeks of regular use. ✅Quick To Dry: Wordsworth & Black fountain pen nib ink pen refill takes only a few seconds to dry ensuring your important writing moments are not ruined by smudges or smears.