Dust Free Chalk Colorful Drawing Chalk for Blackboard Office School Stationary

Specification: 12pcs-50g / 100pcs-420g 1.It is very suitable for classrooms, meeting rooms and other places. 2.Dust-free chalk, non-toxic, safe to use. 3.Colored chalk meets your different needs. 4.Draw chalk to add fun to children. 5.It is the best gift for teachers. 1 set of chalk