Brand: Potato Cat oil pastel or crayonMain ingredients: microcrystal wax, mixed oil, calcium carbonate and pigment.many colors:4c,6c,12c,16c,18c,24c,36c,etc.Safe, healthy, environment-friendly, non-toxic; conforms to ASTMD-4236 and EN71-3Smooth flow and textureEasy to color, refine without dregs, strong sticks and strong fracture resistanceIdeal for mixing colors, sketching and creating designBright and never-shaded colorsOEM is welcomed