3ply Disposable Mask 1st Layer: Nonwoven PP Fabric 25gsm (blue) 2nd Layer: Melt blown fabric BEF 95% 25gsm (white) 3rd Layer: Nonwoven PP Fabric 25gsm (white) Nose Strip: Metal Nose strip Ear Loop: 170 mm length Earloop Technology: Made by ultrasonic heat punch (Automatic) Packing: 10/25/50 pcs box