Sharpie® Smear Guard® Highlighter. Contents: 2 fluorescent yellow highlighters. Resists smearing of many pen and marker inks*. Quick-drying, odorless, and AP certified nontoxic ink formula. Also try! Sharpie® Gel Highlighter. Won't blend, won't dry out. Uncap what's Inside™. 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. *Based on consumer surveys. Let ink dry before highlighting. Assembled in U.S.A. ACMI, AP. Art & Creative Materials Institute Certified. Conforms to ASTM D-4236. No toxic. sharpie.com. ©2011 Newell Rubbermaid Office Products.