4 layers medical face mask

The 4 Layers disposable face masks is especially made from non-woven and melt-blown fabric. Helps users to avoid dust and bacterial, offers soft, comfortable while use with characteristics: adjustable nose bridge, seamless crimping, soft elastic ear strap, 3 ply material. Material : Nonwoven + Melt blown Weight :75 gr / 4 plyes Size : 17.5*9.5CM Color : Blue/white, white or custom color Packing: 50pcs/box, 50 box/ ctn Classification:Class II Filter Rating:99% Delivery Time: 1-7 Working Days by air