... fluorescence pen, small, beautiful 2.Environmental protection ink, non-toxic 3.But OEM, there is enough space printing highlighter pen ... kinds of pens, such as highlighter pen, ball pen, banner pen and so on.Fluorescence pens are fluorescent agent, it ... , to make the color looks have dazzling fluorescence feelingDescription: 1.Mini fluorescence pen, small, beautiful 2.Environmental protection ink, ...