Kreul Chalky 22708 Chalk Marker, 4 Pens, Medium, Matte, Opaque, Non fading, Quick Drying, Set of Permanent Markers for Painting and Writing Boards

Matte pastel liquid chalk for blackboard and glass surfaces Wipes clean with a damp cloth on smooth and non-absorbent surfaces Paint exists at least 60% made from sustainable raw materials The plastic of the marker is made from 70% old plastic Shake marker before use and pump