She had a large brown mole there, raised like a pencil eraser.

They are usually round or oval and no larger than a pencil eraser.

They can range in size from a pencil eraser to a dinner plate.

They are so small that a line of 1,000 could fit across a pencil eraser.

It is about the size of a pencil eraser.

"No." She tapped a pencil eraser against her computer monitor.

Can you please let me know how a pencil eraser works, and where I could find more information.

Not too shabby for something the size of a pencil eraser.

I'm watching a freckle that is the size of a pencil eraser.

He chewed on his pencil eraser and stared at me.