... pink 3,Material:polypropylene spunbond. Active carbon face maskType: Adult face mask, Children face mask, Baby face mask Ear-loop , with tie onBFE: ... 25gsm, Melt blown 20gsm,, PPSB 20gsm Mini-fiber high electrostatic filter, filtration efficiency of dust & powder is over 95%.Repel ... seal, easy to fold and carry. Mini-fiber high electrostatic filter, filtration efficiency of dust & powder is over 95%. ...