Never run out of ink again with Mesmos ballpoint pen refills! This 6 pack of black ink refills will keep your favorite pen writing for years to come. Say goodbye to the frustration of constantly buying new pens and hello to a more sustainable and cost-effective solution. And enjoy super smooth writing with the 1.0mm medium tip oil-based black ink refills that make writing a breeze. These refills are also compatible with most ballpoint pens in the market, including popular brands like Parker ballpoint pens, as well as the very own Mesmos Pastel Pens and Love Pen Sets. Before purchasing these refills, make sure your existing cartridge is 3.9 inches long (98mm) with a diameter of 0.22 inches (6mm). Double-checking these measurements will ensure a perfect fit and prevent any disappointment. With proceeds from your purchase going towards the Single Parent Project, you get to make a difference for both the planet and women's human initiatives!
