STAEDTLER 315 WP8 Lumocolor Non Permanent Pen, Medium Line Width, 1.0mm Assorted Colours (Pack of 8)

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Universal pen for use on overhead film and almost all surfaces Can be wiped off film using a damp cloth Fast drying ink with superb colour brilliancy Supplied in the handy stand-up desktop box Medium line width approx. 1.0mm

Amazon

Universal pen for use on overhead film and almost all surfaces Can be wiped off film using a damp cloth Fast drying ink with superb colour brilliancy Supplied in a handy stand-up desktop box Medium line width approx. 1.0mm