Use Expo Lo Odor Dry Erase markers to track, schedule, and present your point in a brilliant fashion. Intense colors take center stage even from a distance. Add excitement and emphasis to all your presentations with this specially formulated low odor ink. Ideal for classrooms, small offices and homes. Ink is certified AP Nontoxic and conforms to ASTM D-4263. Expo Lo Odor Dry Erase Chisel Sets are great for scheduling and class or conference room : Black, Blue, Brown, Green, Orange, Pink, Purple and Red in one neat pack.