Ultra High Compatibility Mop Head Rotating mop as a swivel mop head replacement with a diameter of 12.6 inches, spin mop heads are triangular outer width of 5.7 inches and an inner width of 4 inches. It is a microfiber mop heads replacement refill for 360 degree turbo mops. We recommend checking the size of your mop head before purchasing to make sure it fits. High Quality Material for Spin Mop HeadsThe replacement mop head is made of 100% microfibre for streak-free cleaning. The rotary mop filler has a soft absorbent thread and our replacement viola mop heads replacement will not scratch the floor surface. Wet and Dry Mop Head The microfibre turbo mop head can be used wet or dry for cleaning. The mop core has been tested to be reusable and machine washable. Dry use can quickly sweep away dust and debris, wet use can mop up stains on the floor and add cleaning water for a cleaner finish. 3 mop heads can last for nearly 1 year of normal household cleaning. Easy to Install First, stand the rotating mop vertically, bend the handle in the opposite direction of your foot and pull slightly, the mop head will come off the handle. Secondly, place the cover on the mop head. Once the mop refill set is in place, press the cover slightly with your foot to secure it to the mop head.