This Product Ce Certificate Is Issued By Ccqs,be In America Eua And Be Authorized Impoted,non-niosh Approved Respirators Manufactured In China The product is within the limits of CHINA"Name List of Medical Devices and Supplies Companies with Certification/Authorization from other Countries" PRODUCT STRUCTURE This product is composed of 5 layers filter substrate(willow-shaped 4-layer,no buffer layer).from outside to inside are as follows: 1.molding layer-60g pp no-woven fabrics 2.filter layer-pp melt blown 3.antibacterial layer-graphene PP no-woven fabrics 4.buffer layer-PET hot air fabrics 5.skin- friendly layer-30g PP non-woven fabrics. This product can filter fine particulate matter through the cooperation of each layer of substrate,and the bacteriostatic effect of biomass graphene non-woven fabrics makes this product less bacterial growth during use and storage.In addition,it is designed ergonomically,it can cover almost half of the face and fit the facial curve after being unfolded.The combination of adjustable nose clop and spone strip provides better protection. DESIGN FEATURE Foldable design,contour fid and soft linning.Adjustable Nosepiece,Comfortbale nose foam,Easy breathing and speaking. STANDARD This product meets the requirement of GB2626-2006,Respiratory protective equipment-nonpowerd Air-purifing particle respirator. The protection class is KN95,Corresponding to N95(USA) and FFPA(EU) Technical Description Mask type:Molded cup Value:No Straps:Double elastics Mask size:Medium Latex Free:Yes PVC free:Yes Silicone Free:Yes