SmartColor Micro Mopheads reduce bacteria by up to 96 percent to ensure exceptionally clean environments. Made from 15mm-pile microfiber, heavy-duty mop head effectively cleans stone and tile floors without grout lines. High-performance mophead's aggressive cleaning edges let you clean with less water and less effort. Unger's SmartColor system color-codes Micro Mopheads a vibrant hue for distinguished use in specialty areas. Color-coding cleaning tools help prevent cross-contamination for cleaner environments and peace of mind. Durable, reusable microfiber material can withstand up to 500 wash cycles. Mopheads fit Unger SM40G and SM40R mop holders (not included).