High Quality: Made by anti-abrasive microfibres, durable and won't scratch the surfaces you're cleaning. Also the microfibre mop head removes and absorbs tough dirt and grime effortlessly. ;Specification: The spin mop refill has the inner rim size 2.6' and outer rim size 6.1' in diameter. It will fit most standard rotating spin mop that has a round shape. ;Universal: Both for wet and dry use, the 360 rotating spin microfibre mop head refill is multi-use so you can use it on tile and wood floors as well as window and car. ;Easy Installation: Follow the instruction to quickly and easily replace your mop head. It's very sturdy after installation. ;