Refill Ink for Liquid Chalk / Marker Pen 1. Name:Refill Ink / Chalk Ink / Highlighter Ink / Fluorescence ink 2. Package: 100ml / bottle. 60 bottles into a Carton. 3. Material : Natural mineral pigments, modified resin, and alcohol by a process of polymerization. 4. Easy to clean, it is as stated, 100% dust-free , and flows fluently,Wrinting is clear and bright ,and always last longer until rub out. 5. Four Color for chosen : White , Pink , Yellow , Blue . Also can meet your request. 6. Available in any smooth surface : whiteboard , green board, glass, mirror, Fridge and so on . 7.It belongs to the family of non-toxic, harmless and pollution-free products, and does not contain harmful lead, cadmium, mercury, chromium, bromobenzene or other toxic ingredients. It meets the EN71-3 (EU) and the ASTMF963-03 (United States) testing standards of SGS (SOCIETE GENERALE DE SURVEILLANCE S.A.);