Environment friendly liquid chalk

Key Attributes.

1. Non-toxic, no dust, healthy and environment friendly: no including of lead, have got the SGS Environment protection certificate. 2. Low cost for writing on board. 3. High scientific and technological content,most competitive: Liquid chalk ink is nano-composite macromoleclar polymer . 4. Can be directly used on magetic green board,black board,white board. 5. Adaptable to Climate: can write on both black and white board 4 season for a year. 6. Words clear.: easy erase, easy dry. 7. Rich colors: white,red,yellow,blue. 8. Big Inner Barrel Capability: 10ML ink be added per time, writing length reach over 1000meters.