... 1.100% polyester knitted 2.No-easy fiber off 3.Superior water absorption lens cleaning wiper/Industrial wiper/lens ... Korean laser sealed edge. WIP-1091 wiper is washed with 18MΩ water and packed in vacuum in class 100 ... and maintenance, laboratory, electronic industry, computer assembly, optical instrumentation, LCD liquid crystal display, precision instruments, optical products, aviation industry, ...