- Chalkola liquid chalk markers, pack of 8 units in earth tones, designed for blackboards, glass, boards, and non-porous surfaces. - 6 mm round tip that allows for defined and uniform strokes, ideal for writing, drawing, and decorating. - Water-based ink, easy to clean with a damp cloth, leaving no residue or stains. - Eco-friendly formula, non-toxic, xylene-free, and without strong odors, safe for children and adults. - Versatile for school use, creative projects, party decoration, menus, signs, and crafts. - Suitable for blackboards, windows, ceramics, metal, plastic, mirrors, tiles, and more. - Recommended by teachers and nannies as an educational and creative tool in the classroom. - Do not use on porous surfaces to avoid permanent marks.