See through tip! Smear guard. Smear Guard ink technology resists smearing of many pen and marker inks (Based on consumer surveys. Let ink dry before highlighting). Innovative, blade-style tip deliver precise highlighting with the ability to select different line widths. See through tip. Medium. Smear-resistant ink. Uncap what's inside. Sharpie.com. ACMI AP: Art & Creative Materials Institute certified. Conforms to ASTM D-4236. Guarantee: If you are not completely satisfied with your product, please return for refund, repair or replacement: In the United States, return to: Newell Rubbermaid Office Products, 2707 Butterfield Road, Oak Brook, Illinois 60523, Attn: Consumer Affairs. Australian consumers see www.sharpie.com/enAU/warranty.aspx. Made in China.