Product Name: Factory Made Professional KN95 / N95 Folding Medical Surgical Mask Logo Printing: Without Logo Printing Group: Adult Quality Guarantee Period: Two Years Ethylene Oxide Sterilization: Ethylene Oxide Sterilization Material: Non-woven Fabric Type: Surgical Supplies Materials Filter Rating: FFP1 Specification: 50PC Origin: China Product Description 3 PlyNon-woven Face MaskPP+Melt-blown+PPDescription:Special three-layer designed face mask, consisting of soft polypropylene(PP)and Melt-blown filter(PP+Melt-blown+PP), won't irritatethe skin. The nose bridge bar is made of full plastic / single iron, easilyadaptto different face shapes.Blue and white for your choice!Usageand Precaution:Wash your hands before wearingthe mask.Take out the mask, pullit from the top and bottom,and open the fold. Don't touch the inside of the mask with your handsFit the mask to the face by usingthe elastic ribbon on both sides.Gently press the nosebridgebarwith your fingersPull the bottom of the mask to the lower jaw, and adjust it to the facewith no leak.Exhale evenly to check if air leaks around.Inhaleevenly to checkif any air comein between the mask and the face. Function and ApplicationFunction:used as the dust-proof, the fog-proof and the saliva-proofin general protective environment.Application: widely used inthe fields of medicine, factory,laboratory,foodserviceindustry,constructionindustry, manufacturingindustry, family and personal protectionetc.