The Rubbermaid Commercial HYGEN™ microfiber duster replacement sleeve is for use with the Rubbermaid flexible dusting wand. This microfiber duster sleeve is made of a high-pile split microfiber that provides more dusting coverage than low-pile microfiber. Great for dry dusting of fine dust and dirt. Duster will withstand more than 500 launderings (200 with bleach). Replacement Duster Sleeve, Green