4-ply Spandex Face mask with ative carbon special for japan market Size:13.5×16.8cmMaterial:25g/m2 pp nonwoven+activated carbon cloth+20g/m2 melting-blown pp nonwoven+25g/m2 PP nonwovenPacking:50pcs/box,40box/carton or 1pcs/bag,25bag/box,40box/carton.Function:4-ply structure providing comfortable feeling,effectively prevent from bacteria and dust,activated carbon layer probids high absorption of odor,BFE up to95% Production technique:Ultrasonic machine-sewed,made with spandex fabrics from americaApplication:medical sanitation,lab,gardening,electrinoc industry,etc 4-ply Spandex Face mask with ative carbon special for japan market Size:13.5×16.8cmMaterial:25g/m2 pp nonwoven+activated carbon cloth+20g/m2 melting-blown pp nonwoven+25g/m2 PP nonwovenPacking:50pcs/box,40box/carton or 1pcs/bag,25bag/box,40box/carton.Function:4-ply structure providing comfortable feeling,effectively prevent from bacteria and dust,activated carbon layer probids high absorption of odor,BFE up to95% Production technique:Ultrasonic machine-sewed,made with spandex fabrics from americaApplication:medical sanitation,lab,gardening,electrinoc industry,etc We only specialize in medical Your requests is our commitment Our laboratory