Good Quality KN95 5ply Disposable Non-woven Face Mask With Valve 

KN95 Mask with Valve Details Specification 15.5*10.5cm material Inner layer:Nonwoven fabrics Second layer:hot air cotton Third layer:melt blown nonwoven fabric Outer layer:nonwoven fabrics use This is product is used for personal protection,filtration of particles and their attachments in the air,it can also be worn in common medical environment. Types of Face Masks Mask Manufacturing