Extra Smooth For School, Office, Home Uses White Soft Pencil Mark Eraser/rubber

An eraser is a rubber instrument that is used to remove marks left by a pencil or some type of pen. A felt eraser is another type of eraser that is used to remove chalk traces from a blackboard.
An eraser (also called a rubber in some Commonwealth nations due to the first substance used) is a piece of stationery used to erase marks from paper or skin (e.g. parchment or vellum). Erasers come in a range of forms, sizes, and colors and have a rubbery substance.
A good eraser's characteristics:
A decent eraser should be able to cleanly remove your paper's markings without leaving any smudge imprints. In addition, the eraser should do its work without causing any damage to the paper, Usefulness, Eraser without smudges, The top layer, You want to erase the medium, Comfort, Child-Friendly, Dust Eraser.