Material: printed spunlace nonwoven+electrostatic cotton+melt-blown+pp nonwoven Size: Men26x14cm, Women24x13cm, Children 22x12.5cm Color: any pattern and logo can be customized. Style: earloop, three layers or four layers, with or without valve Package: 1pc or 6pcs/bag; 15pcs or 20pcs /box; 300pcs/ctn, or package per requested. Features: High quality spunlace nonwoven with printing, soft and fashion, economic and environmental. Can be used for all kinds of places. Bacterial Filtration Efficiency(BFE) is â?§95%, Prevent pathogen microorganisms, body fluid, particulate matters and so on. Effectively prevent PM2.5, pollen, dust, saliva and other matters from spreading.