Stalogy 028 Water Based Gel Ink Ball Point Pen 0.5 MMStalogy 028 Gel Pen These pens stand out for how smoothly they write, thanks to their water based gel ink, which avoids drying out. Ballpoint pen with gel ink Nitoms Stalogy 028 Water based gel ink Non bleeding, quick drying 0. 5 mm line width Black Ink Order the refills here A Japanese company in business since 2012, Stalogy aims to elevate the "standard" level of stationery. Their motto is, "What should have been, is."