This is a pen that uses a gel based ink.
Featuring super-smooth writing and a huge selection of colors to choose from, the Uni-Ball Signo series is one of the best gel ink ballpoint pens around! It's the perfect companion for writing, note-taking, decorating, or other projects, and features a fine but sturdy 0.5mm tip. The ink will glide onto your paper effortlessly, providing a rich blue color that's both water-resistant and strong against UV rays. Order today!