1,Suited to precision instruments. 2,Clean Precision Electronic Components. 3,Hard disk,magnetic head,chip,Lenses, etc. FeaturesWeight: ... ),100pcs/bag(9inch)Benefitsstrong absorbing waterlow partical generationsoftness and no damage to the productgood results of recycle,strong wiping ... ,TFT,LCK,PDA,PolarizerClean Mobile phone assembling,Medical precision instruments. 140gsm Cleanroom Wiper