Tianniu 50 Pieces Blue Ink Erasable Gel Ink Pen Refills Fine Point 0.5mm ReplaThent Gel Pen Refills for Erasable Pens Office School Writing Stationery Supplies

Erasable pen refills, erase and rewrite wi out damaging The document.
0.5mm full needle refills, wear resistant pen lead, smoo and clear writing.
Tungsten carbide pen tip, smoo and stable ink flow, comfortable writing feeling.
Add special ink, erase easily wi a special eraser, leaving no trace.(Note: Special eraser is not included.)
Suitable for study, office, fa ly and nation use.