The Berkshire CPSLP.1212B.14 CapSure LP Series Dry Polyester Wipes are laundered and packaged in Berkshires ISO Class 4 cleanroom packaging and has a patented surface treatment that captures and retains contamination (Patent #8,431,497). It retains 93% of particles captured and captures 42 times more particles than competitive (untreated) wipes. The Berkshire CPSLP.1212B.14 CapSure LP Series Dry Polyester Wipes have a sealed edge for reduced fiber contamination and made from a 100% continuous filament polyester knit. The unique construction of these wipes yields high abrasion resistance and provides immediate absorption of liquids for efficient spill clean-up. These wipes are autoclavable.