This product is either discontinued or we cannot get that from suppliers.
3m 70005256667 Post-it Dry Erase Cleaning Cloth, Grey, Washable, Lifts & traps dry erase marker dust, Wipe away marker dust with ease.
Wipe away marker dust with ease using the Post-it Dry Erase Cleaning Cloth. The Post-it® Dry Erase Cleaning Cloth lifts & traps marker dust, is washable, and no sprays or chemicals are needed.