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 medium 1.0mm tip is great for neat, legible writing, drawing, diagrams and more. This pack contains 10 black pens. Pen for overhead projector film and other glossy surfaces Water-soluble ink can be wiped from film with damp cloth Dry-Safe ink for up to 2 days cap-off time Fast drying ink prevents smudges Works on CDs, glass, plastic, metal, porcelain, wood, leather and OHP film Medium 1.0mm tip Ink colour: Black Pack of 10