DescriptionThis is a set of dust free chalks which is made of ABS materials for safe and durable long time use, with magnetic design and hexagon body, it can be safely put on the desk without sliping. You can write on most surfaces such as chalkboards, plastic, glass, etc. for school, home, office, kindergarten, etc.Features- Color: Random color. - Material: ABS. - Size: About 9.5 x 2.5 x 2.5cm. - Made of ABS materials for safe and durable long time use. - With magnetic design and hexagon body, it can be safely put on the desk without sliping. - Pressing design, manpower saving, easy to use. - Dust free is safer and cleaner for you, no need to worry about dirtying your clothes and hand anymore. - Suitable for school, home, office, kindergarten, etc.