Esterbrook New Old Stock Ink Cartridges For Twin Cartridge Pen

Premium Quality You Can See
COLORVERSE inks are crafted using globally renowned, high-purity colorants that deliver vivid, crystal-clear colors. With excellent solubility, they’re ideal for use in high-end fountain pens, ensuring a smooth and vibrant writing experience every time.

Naturally Clean & Odor-Free
Formulated with plant-based, natural materials, COLORVERSE inks avoid the harsh chemical compounds found in many traditional inks. Free from synthetic additives and alcohols, they offer a clean, odorless experience—perfect for those who value purity and comfort in their writing.

Effortless Performance
COLORVERSE ink flows smoothly across a variety of pens and papers, drying quickly while showcasing the rich, natural tones derived from its organic ingredients. Every color is designed to reflect the beauty of nature in every stroke.

Crafted by Experts
Developed by a seasoned team of ink specialists, COLORVERSE inks are treated to resist drying and bacterial growth inside your pen. With a carefully balanced neutral pH of 7–8, these inks are both pen-friendly and long-lasting.

COLORVERSE: Write Naturally. Write Beautifully.