Tough as a ballpoint, yet smooth as a gel, our School Specialty Hybrid Retractable Pens combine the best of both liquid and gel ink “worlds.” The smear-proof and smudge-proof liquid gel ink dries rapidly, allowing you to close up notebooks or seal up letters instantly without worry. Medium-sized nib is 0.7 mm for all-purpose writing. Spring-loaded ink cartridge retracts and extends outside a protective housing. Style is ultra nimble and user-friendly for both right- and left-handed writers. Stock up for classroom, home, and office!