This is a ballpoint pen similar to Sailor Pen's recently released "Que Sera." The ink can be erased with an eraser after writing. Unlike "Que Sera," this pen has an eraser attached to the cap instead of a rubber tip. The rubber tip will not erase the ink. Please compare it with others. Type: Ballpoint pen Ink: Gel ink Features: Erasable by friction, Single color Body material: Plastic Popular model: Uni-ball One