5Players Good quality Face Mask Manufacturer Breathable Coronavirus Disposable Face Mask KN95 For Without Valve1st Ply : 50g leak proof Non-woven Fabric 2nd Ply : 40g Ethylene-propylene side by side 3rd ply : 25g high density fliter layer 4th ply :25g high density fliter layer 5th ply :20g direct skin layer