A dry cleaning pad is a mesh bag filled with gum eraser powder. As a drawing is being constructed, smudges from will tend to form on the paper. A dry cleaning bag can be squeezed over the surface of the drawing and dabbed gently to remove the smudges. You may also hear these called a scum bag.
![](https://engineeringtechnology.org/wp-content/uploads/2023/05/Dry-Cleaning-Bag-375x600.jpg)