We use environmentally friendly ink - [Xylene & Toluene-free ink Meets EN-71, ASTMD-4236] XSG Whiteboard markers with odorless and non-toxic ink, harmless to children. New design: The XSG whiteboard pen features a magnetic design with strong adsorption. It can be attached to whiteboards and refrigerators to prevent loss and facilitate the next writing session. It also has an eraser design on the top, which can wipe away mistakes during the writing process. The XSG Whiteboard pen tip is round and smooth, primarily used for writing on whiteboards and glass, and can also be used on the refrigerator to record small daily events. Suitable for office, teaching, home use, etc. Mixed colors: 12 different vibrant colors: Red, Orange, Yellow, Grass Green, Green, Royal Blue, Blue, Deep Purple, Magenta, Brown, Dark Brown, Black