Non-meidcal Disposable Mask suppliers This Kn95 protective mask with valve includes a filter barrier, Filter shields help reduce the dust and bacteria that transmit the flu and keep your friends, family and others from contracting the cold. The product uses non-woven fabrics such as ultrasonic heating, spot welding and tape production processes, cellulose and paper / co-carbon steel aseptic for single use. Dustproof, breathable, hypoallergenic and sterilized. They block dust and microorganisms without causing stress or anaphylactic reactions to last through. TypeReusable face mask breathing valve StandardGB2626-2016 Size15.2*10.5cm/16x11cm Net weight5.5g ShapeFlat-fold Filtration Efficiency鈮?95% StyleWith valve ColorWhite or Grey Layer5 layers FabricNonwoven Fabric 5 ply (100% new material) 1st 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 Contact Skin Layer CertificateCE Materials:Non-woven fabric, Melt-blown fabric+staple fiber non-woven fabric MOQ1000 Carton size68*31*58cm G.W10kgs Package2pcs/bag,20bags/box,25boxes/1000pcs/ctn capacity5 millions every day delivery10 working days after deposit(base on different qty),To be negotiated.Non-meidcal Disposable Mask suppliers website:http://www.mh-biotech.com/protective-supplies/non-meidcal-disposable-mask/