Chinjoo 12colors Wax Crayon1. 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, refine without dregs, strong sticks and never break easilyD. Bright and never-shaded colors3.Tips:(1) Avoid direct sunlight.(2) No sucking or smearing in mouth.Chinjoo introduced soluble crayons in the market after strict testing phases.