Disposable medical masks are 17.5cmx9.5cm in size, 50 pcs/box, 2000 pcs/carton, masks are divided into three-layer masks, non-woven masks, four-layer masks, and activated carbon masks. The three-layer mask is made of two layers of non-woven fabric and filter paper; the three-layer mask is made of two layers of fiber non-woven fabric that is professionally used for medical and health, and an additional layer is added to filter more than 99% of the antibacterial filter. The melt-sprayed cloth is ultrasonically welded, and the bridge of the nose is made of environmentally friendly plastic strips, which do not contain any metal, and are equipped with vapor permeable and comfortable. The filtering effect BFE is as high as 99%, which is especially suitable for electronic factories; the activated carbon mask is made of 28 grams of non-woven fabric on the surface layer, and the middle layer is used with anti-bacterial filter paper to filter and prevent bacteria up to 99%, which plays a role of preventing bacteria and preventing virus damage ; The second layer in the middle is made of new high-efficiency adsorption and filtering materials-activated carbon fiber, activated carbon cloth, which has the functions of anti-virus, deodorization, bacteria filtering, dust resistance, etc.; the mask is made of environmentally friendly all-plastic nose strips The design of the nose bridge can be adjusted comfortably according to different face shapes. The inner cover ultrasonic spot welding is used, and the ear straps can be very firm and not easy to fall. Masks can be used in electronics manufacturing, dust-free workshops, catering services, food processing, schools, motorcycles, spray processing, stamping hardware, electroplating, chemicals, steel, electric welding, health centers, handicrafts, hospitals, beauty, Pharmacy, factories, environmental cleanliness, public places, etc. Use methods: hang the elastic ear hooks on both ears, with a full nose, lightly press the fixing piece to fix, so that the mask fits the face.