Product Name: 12 Piece Count Box School Chalk (SKY-503) Model NO.: SKY-503 Type: Student Drawing Material: Calcium Sulfate Certification: ASTM F963 Length: 80mm Diameter: 9.2 - 9.5mm Colors: as Required Trademark: OEM Transport Package: Polybag or Color Box HS Code: 96099000 Product Description Features of 12 PIECE count box School Dustless ChalkModel: SKY-503A & SKY-503B ( "A" is white Chalk, "B" is Colour Chalk )It is a common chalk, most popular in the world.Chalk length: 80mmChalk diameter: 9.5mmColors: Red, Blue, White, Green, Purple, OrangePacking: 12PCS/box, 360boxes/cartonOEM box printing are OK-12 long lasting chalk sticks-Less breakage-Non-toxic-Great for sidewalks, chalkboards and even paper-Bright colors