PILOT Eraser, Friction Eraser, Black, 1 Piece Non-Toxic Eraser  (Set of 1, Black)

Oval sectional shape fits in your hand and allows for use with small parts and large surfaces. Therefore, it is also suitable for students and student learning, like the traditional pencil and eraser relationship. FriXion Series writing instruments will change the color of the ink to a colorless color by rubbing the strokes on the back of the pen (or cap). Pencils and other erasable writing instruments may cause the eraser to reach graphite and ink particles that enter the paper fiber and leave traces. The FriXion Series uses friction heat to make the ink colorless, so it transfers heat to the ink that is embedded in the paper, so there is no residue, and there is no eraser.