... maskType: Adult face mask, Children face mask, Baby face mask Ear-loop , with tie onBFE: 95%, 99%Size: 17.5*9 ... , 3ply, 4plyMaterial: PPSB 25gsm, Melt blown 20gsm,, PPSB 20gsm Ear-loop type: 3-ply polypropylene cloth, low breathing resistance and high filtration ... sweat-absorbed, while outer cover is water resistant.Tie-on type: 3-ply polypropylene cloth, low breathing resistance and high filtration ...