PHILODOGS Chalk for Kids Drawing Non Toxic Anti Dust No Dirt Easy to Clean 10 Colors 20pcs

Eco-friendly water-soluble dust-free chalk Water-soluble erasable chalk is the 3rd generation of chalk, the real 100% dust-free, non-toxic, do not change the writing habits of the product. The first and second generation of sidewalk chalk are two kinds of ordinary sidewalk chalk and dust-free chalk, basically composed of lime and gypsum, dust pollution.The third generation of chalk, refers to w...