Fine design:0.28mm Extra fine ST nib black pens, smooth writing, no broken lines, no ink leakage, ensuring smooth writing or drawing.
Transparent case:transparent ink pen tube has a unique design with a transparent pen case,you can clearly see the ink supply.
Quick dry ink:The gel pen dries quickly with no leaks, no broken lines, and no clumps. Writing and drawing are fluent and continuous.You can use them in all your writing.
Pen clip :Transparent pen clip with prismatic lines, full of academic style and advanced sense. Easy for people to carry.
