This quick-drying and vibrant marker is smudge-proof and can be wiped off with a damp cloth, making it suitable for foils and all smooth surfaces. With a capless system, the marker can remain open for several days without drying out. The casing and cap are in a light gray color and feature a clip as well as a double-colored signal in the writing color. Available in three different line widths: S (approximately 0.4 mm), F (approximately 0.7 mm), and M (approximately 1.0 mm). The set includes four colors: red, blue, green, and black.