Product name : Dust-proof Face Mask Item : CL-NV0006 Details : Prevents spread of germs and filters out dust and pollen Material : Non-woven Color : White ,Pink ,Blue Etc . Gram: 100g/120g/140g/160g/180g/200g/220g/240g/260g/280g/300g/320g Etc. We can also produce according to your requirement about the weight Application : Electronic manufacturing industry, food processing, food service, school, hospital, aethetic nursing, pharmacy Etc. Package : 50pcs/box , 20box/ctn .