3M 9002V Dust Masks 10 pcs/box PM2.5 KN90 Headband Breathable Cool Flow Safety Folded Mask Product Details Model 9002 Color White Material Electrostatic filter cotton/Non-woven Gross Weight 15g Certification AS/NAS/LA Product Features Multi layer filter structure protection Head style Comfortable and breathable Good protective effect With Cold flow exhalation valve Soft liner Elastic elastic headband Soft sponge nose pad Aluminium adjustable nose clip Though The Company is not an appointed 3M dealer, the masks You receive from The Company are supplied by 3M dealers.