The creative stationery design of, a cute cartoon-neutral pen, lets writing return to its original beauty. A variety of colors to choose from, to meet your teenage heart.0.5mm bullet tip, smooth writing, selected refill material and ink, smooth inking and non-inking, a stroke as smooth as flowing water. Many interesting details in design make the pen image and learning more interesting. Rebound sponge, any kneading without deformation, press launch, fun and interesting. Replaceable refill, easy to disassemble, environmentally friendly, and durable.