• Chalk Star liquid chalk markers designed for use in multiple environments and surfaces. • Suitable for all non-porous surfaces such as chalkboards, glass, ceramics, metal, or plastic. • Feature a long-lasting reversible tip that allows for smooth and detailed drawing. • Clean writing tool that offers a dust-free result with a professional chalk-like finish. • Easily removed from recommended surfaces using simply a damp cloth or water. • Water-based and non-toxic composition, making them safe for both children and adults. • Ideal for creative home projects as well as commercial and advertising signage.