material: PP+meltblown+PP , 3ply size: 18*9.5cm packing: 50pcs/box, box size: 18*10*8cm ctn size: 52*20*42cm, 2000pcs/ctn Face mask:material: PP+meltblown+PP , 3plysize: 18*9.5cmpacking: 50pcs/box, box size: 18*10*8cmctn size: 52*20*42cm, 2000pcs/ctnFace mask specifications:BFE: more than 99% face mask