Odorless, water-based ink won"t bleed through paper yet marks permanently on almost any surface, including plastic, glass and metal. Patented "Thumb Button Cap" allows one-handed cap release. Rubber comfort grip allows greater control while minimizing writing fatigue. Features Microban antimicrobial protection to inhibit odor- and stain-causing bacteria. Buy 12 black, get 2 blue and 2 red free. Marker Type: Permanent Assortment: 2 Blue 2 Red 12 Black Colors: Assorted.DIX98207. 98207. Ticonderoga Ticonderoga RediSharp Permanent Marker.