The Lumocolor #316 Non-Permanent Marker Pen Set from STAEDTLER is a pack of 10 non-permanent markers in assorted colours of red, blue, orange, green, violet, and black. These markers are made with water soluble ink and can be wiped off nearly all glossy surfaces with a damp cloth.These pens are also suitable for overhead projection with superb colour brilliancy, and with the added bonus of them fast drying, they are ideal for left-handed users.Features & Benefits Contains 10 non-permanent marker pens Water-soluble ink, fast-drying, and can be wiped off film using a damp cloth Colour brilliancy and suitable for overhead projection Specification Line Width: Approx. 0.6mm Colour: Red, Blue, Orange, Green, Violet, and Black