KN95 Face Mask – Particulate Respirator (50 pcs)

4 Layers Particulate Respirator KN95 Face Mask (25 packs/Box each includes 2 masks) Material: 1st ply: non-woven fabric, 2nd ply: melt blown PP, 3rd ply: non-woven fabric, 4th ply: non-woven fabric. Strap Attachment: Ultrasonic welding with adjustable Nose Clips