Low-odor dry-erase markers are ideal for classrooms and conference rooms. Chisel point enables different line widths. Wipes easily off of whiteboards, glass and other nonporous writing surfaces. Certified AP nontoxic. ACMI Certified AP Nontoxic. For detailed information see www.acmiart.org. Less harsh chemicals - made with fewer harsh chemicals, or safer chemicals than typical alternatives, helping reduce your use of and exposure to substances that may be more harmful to your health and the environment. Contains Recycled Content - See Specs for Details.