disposable face mask 1. Non-woven face mask 2. BFE 99% 3. weight 20+20+25gsm 4. ISO

disposable face mask,it is made of nonwoven fabric material,it has 3plys,and its weights is 20+20+25gsm,our company has long history ,which was founded in1977,now it has a large scale,meanwhile our company owns ISO certification,pls feel free to call us

disposable face mask