Deli 1600mAh Large Capacity Gel Pen, Direct Liquid Pen, 0.5mm Full Needle Tube, Student Signature Pen, Rollerball Pen, Ink Pen, Black, 12 Pens/box S1600

Quick-drying ink that prevents smudging and ink stains on hands

Multi-layer fin structure inside the pen to ensure stable ink flow, prevent leakage and vacuum formation

High precision tungsten carbide ball tip for smooth writing without scratching paper

Visual ink window to monitor ink level in real time

Metal pen clip for portability and anti-roll design

Stable performance with decades of pen manufacturing experience and professional certification

Non-refillable ink cartridge design

Smooth writing experience with reduced friction and resistance

Product dimensions are manually measured and may have slight deviations; actual product shall prevail.