They aren’t “throw away” pencils. When they get sharpened half way, they are discarded. However, I do have some pencils with a hard eraser, meaning they are pretty old. They get discarded also. Betty ...

Clean Magic Eraser lives up to its promise by attaching itself to the muck and guck and literally stripping it away, leaving your surfaces pristine. This polymer sponge works like a pencil eraser.