Premium gel roller. Breast cancer awareness. Super smooth. Longest lasting. Refillable. Comfort grip. No. 1 selling gel pen (Source: No. 1 Selling Gel Pen, 2010 A.C. Nielsen). Archival safe. Acid free ink. Retractable gel ink rolling ball. Discover writing perfection. Smooth writing & smear proof. Featuring Pilot's unique gel ink formula. Longest lasting gel ink formula (Independent ISO testing results of top selling branded gel pens on file with Pilot Corporation of America). Writes longer providing exceptional value. Comfortable rubber grip. Contoured design fits your hand. Refillable for continued use. Use the G2 refill. National Breast Cancer Foundation, Inc. Pilot Pen is an official sponsor of the National Breast Cancer Foundation and has committed a donation of $100,000 through 2013 to the foundation, in support of breast cancer education and early detection. Made in Japan.