Product Name: 4 Count Box 12 Piece School Chalk (SKY-520) Model NO.: SKY-520 Type: Student Drawing Material: Calcium Sulfate Length: 80mm Diameter: 9.2 - 9.5mm Colors: as Required HS Code: 96099000 Product Description 4 count box 12 PIECE school chalkModel: SKY-520It is a common chalk, most popular in the world.Chalk length: 80mmChalk diameter: 9.5mmColors: Red, Blue, White, Green, Purple, OrangePacking: 12PCS/box, 4boxes/set, 96boxes/cartonOEM box printing are OK-12 long lasting chalk sticks-Less breakage-Non-toxic-Great for sidewalks, chalkboards and even paper-Bright colors