Wusheng Dynamic Pen, Black Ink Pen with Gravity Sensing Technology, Quick-Drying Smooth Writing, for Students And Middle School Students, High-Quality Pen for Exam Practice, Creative Retractable Signature Pen, Gree

Innovative design that revolutionizes the traditional writing field

Features a retractable pen tip

Automatic retraction of pen tip upon impact to prevent ink leakage

Smooth and quick-drying ink for a better writing experience

Equipped with CS dual ballpoint pen tip

One-click lock feature for convenience

Available in 0.5mm tip size