Korean crayon production of materials that make crayon pen material, the product has a smooth writing, nontoxic natural features. Zhuo wild crayon material made specifically for further improvements, so that the production of crayons or color after adding phosphors, writing out a more realistic, but the most important is non-toxic, non-polluting, natural raw materials from the deployment, currently This product has been made in South Korea a children's products company manufactures and sells, the reaction is very good, in Wenzhou, Zhejiang Province have also fixed a few do our purchasing stationery customers. If the country has to do crayon piece, you can contact us.