This premium Staedtler Lumocolour pen has been specially developed for use on overhead projection film for high intensity, vibrantly coloured presentations. This versatile pen is also suitable for use on a variety of other surfaces including glass, CDs, plastic, porcelain, wood and leather. The water-soluble ink is fast drying to avoid smudging, but can be easily wiped from film after use using a damp cloth. The fine 0.6mm tip is great for neat, legible writing, drawing, diagrams and more. This pack contains 4 assorted pens in Black, Blue, Green and Red.Pen for overhead projector film and other glossy surfacesWater-soluble ink can be wiped from film with damp clothDry-Safe ink for up to 2 days cap-off timeFast drying ink prevents smudgesWorks on CDs, glass, plastic, metal, porcelain, wood, leather and OHP filmFine 0.6mm tip for controlled useInk colour: AssortedPack of 4