Dryerase board eraser features a dualaction design that captures dust and scrubs the board simultaneously for a clean surface with no streaks, stains or dust Its comfortable grip allows you to accurately wipe down surfaces to keep you from accidentally erasing important information Compact size fits on most accessory trays to ensure it always stays within quick reach Or, store the eraser in the included magnetic caddy Dryerase board eraser is optimized for use on glass dryerase boards