What does this mean?
"Products bearing the AP Approved Product Seal of ACMI are certified in a program of toxicological evaluation by a medical expert to contain no materials in sufficient quantities to be toxic or injurious to humans or to cause acute or chronic health problems. This program is reviewed by ACMI's Toxicological Advisory Board. These products are certified by ACMI to be labeled in accordance with the chronic hazard labeling standard, ASTM D 4236 and Federal law, P.L. 100-695. In addition, there is no physical hazard as defined within 29 CFR Part 1910.1200 (c)."
In short, it means that Colors of Nature's professional quality earth friendly watercolor paints have been determined to be safe for both children and adults, that there are no high levels of lead in the paint nor in the containers, no asbestos in their natural mineral pigments, and no harmful toxicity in their vegan and animal free ingredients.