Liquid Greenboard Marker

Liquid Greenboard Marker adopting an Eco-friendly and non-toxic ingredients provides our kids with a pleasant classroom atmosphere without the existing messy chalk powder. Green Revolution of board writingGeneral features:Applicable to all kinds of non-porous surfaces including greenboard Non-toxic & No messy chalk powder : Yes Odor : low Smooth & uniform writing in bold strokes : Yes Vivid color : Yes Cost-savings by refill : Yes Non-easily dried-up : Yes Easily wipe off on non-porous surfaces : Yes Water-resistant : Yes Smudge-resistant ink : Yes Type : dry-erase Safe design for open & close of ink-tank cover
Liquid Greenboard Marker