The china grease pencils are made of quality paper and wax material, safe and reliable, not easy to tear or break, smooth writing, hard to fade, providing you with a service for a long time.SpecificationColor: PurpleMaterial: WoodSize: 17.2 x 0.85 cm/ 6.77 x 0.33-inches (L*DIA)Packing List: 12 x Grease PencilsApplicationOur china marker for designed to work on a variety of surfaces, as well as porous and non-porous materials. safely use the markers on glass, ceramics, plastic, wood, fabric, metal, stone, leather or vinyl painting, drawing, construction and more.InstructionNon-Sharpening tip Unlike similar products on the market, our wood pencils safely you the hassle of constantly having to sharpen! Simply peel down the paper wrapping using the built-in string to reveal more tip.NoteStore crayons in a dry, cool place after use, away from direct sunlight or excessive heat to keep them in optimal condition, away from flammable items, as crayons may contain flammable ingredients.