Maxi chalks in assorted colors, 12 units, tub, contents: 2 white, 1 yellow, 1 orange, 2 red, 2 lilac, 2 green and 2 blue. round, for blackboard, tiles, stones and outdoors, easy to clean, made of calcium sulfate, do not contain casein, chalk measurements ø2.4 x 10.4 cm, tub 10.6 x 8.1 x 11.2 cm