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. This Expo Lo Odor Dry Erase Marker Set with 4 Bold Bullet tip colors is the right one for the job.