Clean wiper :Normal Polyester , Micro-denier Woven , Micro-Denier Knitted wiper ... 100/10003.4"*4" class 100/1000 Sanwei(3W) brand clean wiper products has three series,that is Polyester Wiper, Micro ... Knitted Wiper. Detail type, specification and package as bellow. The clean wiper we produced, adopting 100% synthetic fiber and sealed by ...