30 pcs 3 ply disposable face mask anti dust haze fog smog outdoor protection

3 layers disposable face masks, made of material, safe, soft and comfortable. -by covering the mouth and nose, it prevents droplets from spreading. simple steps for wearing. -effectively protect you from being infected with the bacterial, especially when you are outdoors. -elastic straps and adjustable nose clip for different face shapes and sizes. -wide application:both home and professional use,perfect for daily use, outdoor and hospitals. -10 pcs for each bag, total 3 bags,