... non-toxic, safe, Healthy,environment. Conforms to ASTMD-4236 and EN71-3. The features of our fabric paint crayons1,Safe ... ASTM D -4236 and EN71-3;2,Smooth flow and texture3,Easy to color, refine without dregs, strong sticks and never break easily4, ... The ideal for mixing colors,sketching and designing.5, Bright and never -shaded colors