5 Layers ( three non-wowen and double melt-blown cotton) Size:15.5x10.5cm Color:white,PFE: 95% Earband:22-21.5cm length,5mm width Anti-PM2.5,Anti-plollen,Anti-droplet MOQ>10K 1pcs/OPP bag 13*13cm 25pcs/box 10.5 13CM 40box /ctn 53.5 53.5 27CM) 20GP:352ctns 352,000pcs 40GP:704ctns 704,000pcs 40HQ:880ctns 880,000pcs
