Show-me Drywipe Marker Medium Tip Black (10 Pack) SDPIdeal for classroom use, these Show-me Drywipe Markers feature a slim barrel and an extra hard, anti-splay nib. The markers contain low odour, xylene-free ink, with an air flow cap for safety. These markers also have a cap off time of up to 24 hours. This pack contains 10 medium tip markers with black ink.    Medium tip drywipe marker    Slim barrel    Low odour, xylene-free ink    Air flow cap for safety    Cap off time: up to 24 hours    Colour: Black    Pack of 10