High Quality: The mop head replacement features 100% super absorbent microfiber strands with soft, absorbent fibers that will not scratch floor surfaces. This mop replacement head is ideal for mopping all hard-surfaced floors. Specification: This mop replacement head has an inner triangular rim measuring 3.9 inches and an outer triangular rim measuring 5.7 inches in diameter. It is compatible with Vileda mop heads and most standard spin mops with a triangular design. Easy To Use: Mop head replacements are easy to attach and durable, enabling effective and thorough cleaning of all surfaces. Designed for convenience and efficiency. Multipurpose: The microfiber spin mop refill utilizes microfiber technology to deliver a deep clean on floors. Suitable for both dry and wet use. Ideal for smooth surface floors such as wood, ceramic tile, laminate, marble, and other sealed hard floors. Can also be used for cleaning vehicles. Notes: Please measure your existing mop head for diameter and shape before ordering to ensure compatibility. Avoid washing the mop head in a washing machine, as the middle support is made of plastic designed for long service life.