• A refillable ink cartridge system
• Not suitable for children under 3 years of age
• Smooth and vivid writing on any paper
• Ideal choice for students and creative professionals who want to express themselves with style
• Good partner for daily calligraphy practice.
• Light in hand- reduce the burden on your hands  and make it easier to stick to writing for a long time.
• ABS material pen body- high strength, good toughness, matter frosted surface, anti-wear and fall-resistant, reducing bumps and scratches.
• The writing thickness is about 0.3mm-0.4mm
• Full and round iridium gold particles guarantee smooth writing.