Staedtler Lumocolor Non-Permanent Wet Erase Markers - Medium Tip - Assorted Colours - 8 PackStaedtler Lumograph Non Permanent Wet Erase Marker, Medium Tip, Low Odor Colored Markers, Pack of 8 assorted colours. When you need medium point erasable markers for the office or classroom reach for Staedtler's universal use correctable marker. Not limited to white boards alone! Write on film, sheet covers, DVDs, almost any smooth surface, with correctable confidence. They won't bleed through paper.