For foils and all smooth surfaces, this quick-drying and color-brilliant marker is smudge-proof and can be removed with a damp cloth. With a cap-off system, the marker can remain open for several days without drying out. The barrel and cap feature a light gray color with a clip and a double color 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 case includes four colors: red, blue, green, and black.