EXPO Low Odor Dry Erase Markers use a specially formulated, alcohol-based ink with virtually no odor for a more pleasant marking experience. The versatile chisel tip provides broad, medium or fine lines. Vivid, quick-drying ink erases cleanly from whiteboards and most non-porous surfaces. These markers are ACMI AP Nontoxic certified and designed with fewer harsh chemicals. Features include a tank-style barrel, contoured grip, solvent-based ink, no eraser tip, and visible ink supply not present. Each pack contains 4 markers in assorted barrel colors with ink colors Black, Blue, Green and Red. Ideal for classrooms, offices and home offices. Compliance standards include ACMI AP Non-Toxic certification and conformity to ASTM D4236 where indicated.