Description Description_x005F_x000D__x005F_x000D_As we all know, teachers need chalks. What kind of chalk is good for the teachers It must be dust- free and nontoxic chalks. This chalk is made of high-molecular polymer and it belongs green chalk so that it will be not harmful to teachers. And it must be the best choice for teachers._x005F_x000D__x005F_x000D_Features_x005F_x000D__x005F_x000D_- Color: As shown._x005F_x000D_- Material: plaster_x005F_x000D_- Size: About 7.5x1x1cm_x005F_x000D_- Includes 2 boxes of colored chalks and 2 boxes of white chalks_x005F_x000D_- Made of material for lasting use._x005F_x000D_- Light weight and portable to carry, not easy to break but for smooth writing._x005F_x000D_- Dust free chalks, safe to use_x005F_x000D_- Multiple usage: You can use it to write and painting.Packing list:4 boxes x chalks