A supplier of three-layer masks in Yiwu, Zhejiang Province, China Features: breathable,flat, 2 layers of non-woven cloth and 1 layer of molten spray, three layers of pleated design, adjustable nose, unique waterproof surface, soft lining. - Application: This product is suitable for dust prevention and inhalation infection control.If properly worn, it will help reduce contamination by exhaled microbes and reduce the amount of time the wearer is exposed to body fluids. - Filtering level :â?¥95% - certification: CE - Adult size :17.0 x 9.5cm; - Packing :50 pieces/box;50 boxes/boxes;-- - - Terms of delivery: air, land and sea - Freight: to be borne by the buyer - Delivery: Negotiation Made in China