Dianshi Deep Sea Cabin Nautical Dual Ballpoint Rotating Gel Pen Quick-Dry 0.5mm Student Writing Exam Practice Back-to-School 0145 [Black Barrel Premium Set]

Nautical theme inspired by ocean exploration and sailing ships

Pen body shaped like a ship with a steering wheel (pen clip) for direction control

Pen tail designed as a propeller providing power

Transparent front tip window resembling a cockpit

360° rotating cabin mechanism for pen tip extension and retraction synchronized with propeller movement

Double-ball tip for smoother writing experience due to dual ball rolling friction

Anti-slip rubber grip for comfortable and stable writing

Large capacity refill for extended use and durability

Quick-dry ink to prevent smudging and keep paper clean

Pen length approximately 15.6 cm when extended

Available in single pen with two refills sets and 4-pen sets including all four colors