PROFESSIONAL QUALITY: None of toxic?? acid free?? lead free?? and all the materials are eco friendly. Safe using! It's made of high end refill?? Which contains superior ink and hard Tip (tip size 0.8mm) that makes the pen writing smoothly and using durable!</br>VARIOUS COLORS:We collect all the popular colors together. Glitter?? Metallic?? Milky?? Neon & Standard ?? total 100 Colors! Multiple colors become the garantee of your perfect works!</br>DIFFERENT USAGES: Perfect Art Micron Ink P