Eraser Girl is mostly yellow. She wears a black suit with an eraser emblem on the center. She also wears a large helmet with a pencil eraser on top.
Eraser Girl has not appeared in any episodes of The Backyardigans, but is included on various pieces of merchandise. She can be seen in several editions of Nick Jr. Magazine, in the Easy Sudoku Puzzles 2 book, on a temporary tattoo sheet, and on a NickJr.com iron-on printable. Two different plush variants of Eraser Girl have also been released.