CWS’s Microfiber Bases are lightweight aluminum and come in three sizes to fit your wet or dry mop. The sizes are 5 x 16”, 5 x 22” and 5 x 33”. The unique design allows for easy cleaning and maintenance. The fastener strips and handle connection are replaceable providing economic benefits. Fits the extension handle CWSMFEH2871 (sold separately). You will not find high quality microfiber products cheaper anywhere else. CWS is your direct source for these fine products.