Replacement Sleevefor The WAVE flexible duster has our TRIO-split™ microfiber. It will bend and flex into the desired position and attract and hold a phenomenal amount of dust and debris, cleaning the surface and air. It comes on a removable sleeve for easy laundering. the sleeve can be laundered at least 750 times. The duster can be removed from the handle and fit our other handle options for various lengths to reach those hard to reach places.