A great value for Family and Gifting! 6-Pack of 3 x 5" squares at a 20% savings! $24 ea. vs. $29.50 ea. Stellarcleenz, is a natural, chemical-free, anti-microbial pure silver cloth that is scientifically proven to safely kill bacteria, fungi and viruses on human skin as well as on devices and surfaces. 99.99% Pure Silver.