10-Pack 0.5mm Black Gel Ink Refills, Quick-Drying, Large Capacity, Smooth Writing, Compatible with Various Retractable Pens

High-concerned chemical : None Gel Pen's Ink Feature : Normal Gel Pen's Ink Type : Gel-Ink Material : Plastic Erasable Or Not : No Writing Point : 0.5mm Use : Office & School Pen Origin : Mainland China Type : Gel Pen