These magnetic board rubbers remove Dry Wipe Pen from white boards and chalk from Chalk & Black boards.  
 
Product Dimensions: 15.01 x 11.91 x 3.61cm; 68.04g  
Pack of 3 Magnetic Board Rubbers for dry-wipe, dry-erase whiteboards, chalkboards, and blackboards.  
Made from durable plastic with soft foam and soft pile felt.  
Suitable for removing dry wipe, ink and chalk.  
Easy grip contoured handle, ideal for little hands.  
Made in the UK