HELPFUL GADGET: This window bind brush is a great helper to be used at home, in office and car, to clean dusts of window blinds, air conditioner blind or car air vent.$EASILY REMOVE AND WASHABLE: Machine washable detachable microfiber sleeves and easy to wash,the sleeves hard to be loosened and fall off than others.$HIGH EFFICIENCY: It can clean 2 blinds at once, takes less time than other normal cleaner, more efficient and convenient.$EASY TO USE: Cause the unique arm design, Microfiber sleeves are especially for cleaning a variety of dead corners, children can help do the cleaning.$With Extra Sleeve for replacement: Each duster come with a extra sleeve to replacement when you need to clean the original one.