Amazon Basics Whiteboard Eraser, Dry Erase Whiteboard Erasers for Office, Home and Classroom, Black, 4-Pack

Quickly removes marks made by dry-erase markers; for use with whiteboard, porcelain, and melamine surfaces

Plastic top and non-abrasive polyester pad bottom with a soft pile that wont scratch board surfaces

Rectangular shape; fits inside a standard whiteboard pen holder for easy access

Measures 4.92 by 1.97 by 1.1 inches each (LxWxH); weighs 1.2ounces;