Prang Ambrite Art Chalk, Assorted Colors, Pack Of 12

Soft, bright, brilliant chalk blends easily with fingers Tapered sticks measure 3 1/4in long x 3/8in diameter. Conforms to ASTM D-4236. Certified AP nontoxic. ACMI Certified AP Nontoxic. For detailed information see www.acmiart.org. Less harsh chemicals - made with fewer harsh chemicals, or safer chemicals than typical alternatives, helping reduce your use of and exposure to substances that may be more harmful to your health and the environment.