The wipers are no-run interlock double-knit fabric from 100% continuous-filament polyester; the fibre is thinner than common polyester but a litter thicker than micro fibre. Laser or heat-sealed can prevent the release of fibres and particles outmost, and they can provide maximum performance in critical environments. Mode CLN-1005 Weight 110g/m2 Applied Class class 10-1000 Material 100% polyester Sizes 9"*9" 　6"*6" 　4"*4" （Customized Sizes） Packing 100pcs/bag　20 bag/box　2000 pcs/box （Customized Packing） Sealing Laser-cut Remark: Can be medical used after sterilization or be added with alcohol, IPA solutions and so on. Features: 1 18MΩ pure water laundered, clean room class10, 000-10 packing. 2 Soft and no harmful to wiped surface. 3 High efficient absorbency 4 Ultro-low particle and dust generation. 5 Can be used with chemical solutions. Application: Clean room, Semi-conductor, TFT, LCD, micro-electronics, integrated circuit, precision instrument, PCB, SMT, medical, lab and aviation etc.