Contents: 2 Yellow Fluorescent Highlighters. Resists smearing of many pen and marker inks (Based on consumer surveys. Let ink dry before highlighting). Versatile chisel tip is great for highlighting or underlining. Quick-drying, odorless, and AP certified nontoxic ink formula. ACMI AP: Art & Creative Materials Institute certified. Conforms to ASTM D 4236. Non toxic. Also try! Sharpie Pen: No bleed & smear resistant. Uncap what's inside. Sharpie.com. Guarantee: If your product does not perform properly, please return for replacement: In the United States, return to: Newell Rubbermaid Office Products, 2707 Butterfield Road, Oak Brook, Illinois 60523, Attn: Consumer Affairs. In Canada, return to: Newell Rubbermaid Office Products Canada, 586 Argus Road, Oakville, ON Canada L6J 3J3, Attn: Consumer Affairs. Assembled in USA.