This water-based acrylic paint marker pen is perfect for decorating and painting on a variety of surfaces including paper, cardboard, canvas, polystyrene, wood, leather, fabric, metal, and glass. The paint is non-toxic and xylene-free, making it safe for artists of all levels. Available in 22 vibrant colours, this marker is ideal for professional use, hobbies, school projects, and home crafts. It features a 2.5 mm line thickness. To use, shake the marker well with the cap on and press the nib down several times until the paint flows. Keep capped when not in use. The paint is durable and non-washable after drying.