AIHAO Full Needle Tube Signature Pen, 0.5mm Triangular Barrel, Large Capacity Black Carbon Ink Pen, Student Super Writing Water-Based Pen, 60 Pieces, 47930

Transparent pen body for visible ink level

Transparent pen barrel design for easy monitoring of ink supply

Sealed ink to prevent leakage

Smooth writing with 0.5mm gel tip

Flexible pen clip for easy carrying and use

Cap to protect the pen tip when not in use