... 5*9.5cm(adult use)14.5*9.5cm(for children use) 1.Soft,lightweight,Comfortable,Odorless.2.Fiberglass ... breathable.5.In clinical offices,housework,gardening and maitenance for filtering dust,pollen,and bacteria.6.In laboratories and ... factories for blocking liquid mists,harmful airborne chemicals,and fine ... 8.Customers' logo can be printed on disposable face mask