Proven to remove 99.9% or more of tested fungi, viruses, and bacteria with water only. Patented zig-zag design is made of polyester for additional scrubbing power. Up to 500 launderings and up to 200 with bleach. High-quality, 16-split microfiber penetrates deeper for a superior clean. Combining superior microfiber with built-in scrubber, HYGEN[TM] Microfiber helps prevent cross-transmission and reduces the risk of healthcare-associated infections.