describe Four replacement mop headsSize 30.5 x 15cm, with a round cloth backing, can firmly adhere to the magic mop. Microfiber pads are suitable not only for Swiffer Sweeper Cleaner wet and dry mops, but also for Swiffer WetJet Spray mops. Chemical-Free CleaningMicrofiber surface cleaning materials do not require chemicals harsh chemicals. It weighs eight times more than water and traps dirt, grease, grease and dust better than a towel. Eco-friendly and durableCommitted to cleaning high performance reusable microfiber, without harmful chemicals, to protect your health, the well-being of your family and the sustainable development of the planet. Removes Spills, Stains, Dirt, Dust, Oil, Footprints. Ideal for all hard floors such as parquet, tile, laminate, marble. Installation methodFix the back of the mop and the bottom of the mop sprayer. You can use a mop to clean the floor. When you need to clean, simply remove the mop. Washable and Reusable Microfiber Mop PadEasy to clean, hand and machine washable, just wash in soapy water and air dry, fully reusable. for a more comfortable home environment, it is recommended to replace the microfiber cloth every 3 months. Color: Blue (4pcs)