Pentel PENSD98C Finito! Stick Porous Point Pen, Extra-Fine 0.4mm, Blue Ink, Blue/Silver Barrel

Doesn't bleed through most paper.
Permanent pigment ink makes this pen check safe, fade- and water-resistant.
Liquid ink flows smoothly for seamless, skip-free writing.
Extra-durable plastic nib writes extra fine lines with no bleed and no smear.
Snap tight cap helps your ink last longer.