... 5 * 9.5cm Weight: 20gsm +25 gsm Color: blue, white to choose from disposable face mask with filter17.5 * 9.5CM ... , and employs nearly 300 quality assurance, price concessions, are exported to Hong Kong, Korea, Japan, Australia and other domestic and foreign ... cooperation.Product FeaturesModel for adultsSpecifications earYield 800, 000 / monthSource production to WuhanPackage 50 / box, 2000 pieces / box