Set of 4 replacement mop heads: the set includes 4 replacement rotating mop heads, ideal for use on all hard floors. High quality and deep cleaning : Replacement mop heads are made from 100% strong, durable and machine washable microfiber, super soft and super absorbent to easily clean stubborn dirt without scratching the floor surface. [For triangular mops] Inner triangular edge 10cm, outer triangular edge 14.5cm; replacement head works great for O-shaped cedar mops and standard triangular mop systems. 360 degree machine washable - 360 degree mop easily reaches under furniture, corners and interior spaces without leaving water spots. Hand and machine washable Versatile: Microfiber rotating mops are used on smooth surfaces such as laminate, wood, tile, marble and other sealed hard floors. They can also be used to clean cars and windows. Suitable for wet and dry use