Largest in the world, I do not deny that mountain more than a mountain. However, the only words until now, our company supplies chalk, export to Europe and America do not lose the quality of foreign domestic product definitely has top technology. We employ more than 96% of chalk edible plaster made of lead-free is not toxic, damp cloth to wipe clean, durable and 20-30 times more than ordinary chalk, writing delicate, bright color, easy to break, comfortable feel. Features: James Gray does not dust, lead-toxic, water-soluble strong and easy to clean, writing delicate, bright color, good color effect, durable, ultimate feel, environmental health, round head size, damp cloth can continue to write, Graffiti can be placed can be ornamental painting, high-quality high-end taste, unique creative chalk Material: edible gypsum, water, toner / paste plaster edible ingredients: up to 96% Color: 24 color / 7-color price (yuan ): - Specifications (CM): - noun resolve Clean: is reached with a damp cloth to wipe clean chalk handwriting toxic effect: refers to the company's products undergo stringent eligibility criteria for the detection and abroad, a water-soluble, non-toxic lead-free : refers to chalk handwriting is easy to clean with water, after a damp cloth does not affect the continued writing chalk chalk buy, look for genuine qualified products not only for the health of users, but also to the health of people around!