UNI Jestream Sport Retractable Roller Pen SXN-155S, 0.5mm, Blue Ink (Apricot Barrel)

Using leading-edge technology with low-friction ink to deliver smooth writing, Jetstream Sport features a twin ball function that prevents reverse flow of ink.
√ Completely smudge-free with exceptional quick-drying properties.
√ Blue Ink.
√ Refill: SXR-5