6 colors Chinjoo wax crayon 1,Non-toxic, Healthy and Environment-friendly 2,Confirms to EN71-3 and ASTMD 4236 3,Popular 6 colors Chinjoo wax crayon Wax Crayon 1. Main ingredient: mixed oil, pigment, micro-wax, calcium carbonate and etc.2. The features of products:A. Safe, healthy, environment-friendly and non-toxic; confirms to ASTMD-4236 and EN71-3;B. Smooth flow and textureC. Easy to color, ...