6 colours of super-chunky chalk in a cardboard box. Not as lovely as our regular chalk (the producer is overwhelmed right now) but still very good! Made from raw materials free of heavy metals and sulfur. Main ingredients: Calcium carbonate, water, anhydrous iron oxide Water-soluble, washable Child-friendly large and round shape Length 10.5 cm, Ø 20 mm 6 assorted colors: blue / red / yellow / green / orange / white Choking hazard for children aged under 3 years Gluten-free