OptiFlow Disposable Rollerball Pens- Write SmoothlyOur OptiFlow Rollerball pen with easy-flowing black colored ink gives extra-smooth writing and has a 0.50-mm fine point for bold writing

Pen features a visible ink supply to alert you about the quantity of ink left, sold as 12 per pack

Fine point, 0.5 mm Visible ink supply so you never run out unexpectedly 12 per pack Staples Brand 100% Satisfaction Guaranteed Quill Brand 100% Satisfaction Guaranteed Conical fine point Rollerball Black ink Easy-flowing ink offers extra-smooth, skip-free writingOptiFlow disposable rollerball pens give you the convenience and smooth writing capabilities of flowing ballpoint ink

You don't have to worry about refilling them, and you can keep track of when you need a new one

These pens are backed by these 100 percent satisfaction guaranteed warranty.