Features Yi Nina chalk is added to water by pure edible gypsum, add unleaded toner solidified. All raw materials are to undergo national testing qualified inspection report, to be truly does not toxic dust. For your health, for your comfort, please refuse Dufen pen. For your satisfaction, we are constantly working, please rest assured purchase Yi Nina chalk. For the health of users, in order to secure the people around. Please choose, Yi Nina chalk. Professional production process, you worth buying. Each step Ai Nina toxic chalk dust produced, each step represents our professional production, are integrated into every step of the production of the producer's wishes are included for your health care we buy chalk, Ai Nina preferred making our intentions is to be assured that you can really Unit: mm diameter high weight category name small cylindrical 801 010 902 530 large cylindrical five cylindrical surface 902 530 describes the main door of the Shenzhen special enterprise and Germany Kingsway Industrial Co., Ltd. Main: Non-toxic chalk, chalk graffiti children, gifts chalk, plaster mold products, large chalk, chalk carving, private high-end custom chalk, children's educational toys, intellectual development of intelligent toys. Chalk: a non-toxic, clean, environmentally friendly, water-soluble, etc., so it is widely used in education and training institutions. Educational toys: using high-end non-toxic materials, with impact, non-toxic, environmental protection, safety, etc., so it is loved by the majority of parents. Purchase Notes 1, manufacturers supply genuine 23-year non-toxic chalk manufacturer, supply authentic 2, about the size of cylindrical, 80MM length, 10MM diameter, weight 10G / PCS 3, 24 colors on the color 4, on sale lifelong aftermarket 6, About four in the afternoon delivery orders before the day of delivery