... line production(directing clean) such as mask, CF, LENS,TFT,LCK,PDA,Polarizer,Mobile phone assembling,Medical Features: * ... Weight:80gsm* Polyester and nylon blended micro-denier filament woven construction*Quantity:400pcs/bag(4inch),100pcs/bag ... * clean line production(directing clean)* such as mask,CF,LENS,TFT,LCK,PDA,Polarizer,Mobile phone assembling * Medical precision ...