... Filter Face MaskProduct introduction:Material: Nonwoven fabric and SMSSpecification:17.2*9.2cmStructure: Nonwoven ... custom seal for differentfacial sizeExcellent water repellent and air permeabilityMaintenance/cleaning free, convenient to useRecommended ... spray, agriculture, solution cleaning, painting, ink and dyeing, electronic, food processing, workshops and so on. [safe and disposable] face mask