The Pilot FriXion Light is an erasable highlighter featuring Pilot"s patented thermo-sensitive erasable ink. It allows you to highlight and erase repeatedly without damaging books or contents. This highlighter is perfect for correcting mistakes in notebooks, text books, PowerPoint presentations, or minutes from the meeting and will help you make highlighting mistakes a thing of the past! Pilot Pen will donate 10% of the proceeds of the sale of their breast cancer awareness products up to $50,000 through 2011 to the American Breast Cancer Foundation toward breast cancer education, support and early detection.