The new RONDO ERASE offers a solid and robust pen with a soft rubberized surface to feel comfortable between your fingers. The revolutionary erasable ink in a replaceable refill comes in 4 colors matching the color of the pen offered in black, navy blue, neon green and bright pink. The ink is heat sensitive, and will disappear when rubbed with the silicone eraser on the tip of the pen. Writing will re-appear if the paper is put in a freezer. The pen is great for crossword puzzles, school use, or anyone preferring a ballpoint pen but want to be able to erase mistakes. Refills are offered in a 2-packs.