The Moonman Wancai Mini Fountain Pen is a compact, lightweight pocket fountain pen measuring just 88mm and weighing 11.7g. Featuring a smooth EF (0.38mm) or F (0.5mm) stainless steel nib, it delivers a comfortable and consistent writing experience. It supports both ink sac and eyedropper barrel filling for greater ink capacity, while the secure screw-cap design makes it ideal for everyday carry, journaling, travel, and office use.