100% Nontoxic No-dust water-based Liquid Chalk Pen

Liquid Chalk / Marker Pen Supply: Dry Erase Marker , Whiteboard Marker Pen , Permanent Marker Pen , Erasable Marker Pen ,Liquid Chalk Marker Pen 1. Color: White, Yellow,Pink, Black, Blue for chosen. Other colors is available 2. Dust-free ,100% eco-friendly non-toxic ingredient are combined.Never Harmful materials detected 3. Applicable onany smooth surface, for Home,Office and School uses. 4. Apply for Bio-degradable Plastic 3.Easily towipe offby eraser and without any shade marking,Long last and maintenance of board 4. Recycle :Repeated useby ink-refill and replacement of tip; More Cost-saving and environmental protection compared with the ordinary chalk.≥98% effective use 6. Regular and fat line with clear color 7. OEM welcome.