High Quality: The mop head is made of 100% super absorbent microfiber threads with soft, absorbent fibers that won't scratch floor surfaces. This mop head is perfect for mopping all hard floor surfaces. Specifications: This mop head has an inner triangular edge size of 3.9 inches and an outer triangular edge size of 5.7 inches in diameter. This mop head fits most standard spin mops that have a triangular shape. Easy to Use: Mop heads are easy to attach and very sturdy, allowing you to thoroughly clean all surfaces without problems and efficiently. Save money and the environment. Multifunctional: The microfiber spin mop head uses the power of microfiber to give your floors a deep clean. For dry and wet use. Best for smooth floor surfaces, such as hardwood floors, ceramic tiles, laminate floors, marble, and other sealed hard floors. Can also be used to wash your car. Notes: Measure your existing mop head for diameter and shape before ordering, in case it doesn't fit perfectly. Avoid washing the mop head in the washing machine as the support in the middle is made of plastic, which may shorten its lifespan.