Creativity Street 60 pieces of non-toxic, washable white blackboard chalk per box, 12 boxes.Blackboard chalk that is great for teachers during classroom instruction, and also for students on chalk lapboards during individual and group work. All chalk is 0.38"" diameter and 3.25"" in length. Each pack includes 60 pieces of white non-toxic, washable blackboard chalk. Sold as 12 packs, 720 pieces total.- Color: White.- Refillable: No.- Non-toxic.- 60 pieces/pack, 12 packs.- Small parts, not for children under 3 years.- Use on children's chalkboard easels.- AP certified.- Chalk Length: 4.25"".- Sold as 10/Bundle..