HIGH QUALITY: Made of high quality Microfibers, super absorbent, picks up 10x its weight and sucks up excess water instead of leaving on your floor; durable and won't scratch the surfaces that you are cleaning. UNIVERSAL SIZE: Universal size, fit all standard 6'' to 6.3'' 360 spin mop system. (Please make a measurement of your existing mop head before you place you order just in case it's not a perfect fit).