Sponge Proof Mask 1) Sponge material 2) Packing:1pc/polybag,with a printed card in , one Dozen/hanging chart, 40Dozens/ctn Sponge Proof MaskElastic ear loops, form fitting design, soft, non-irritating, comfortable, easy to breath, excellent filtration(1) MATERIALS Sponge (2) DIMENSION M/L (3) PACKING 1pc/polybag, with a printed card in One dozen/hanging chart 40 dozens/ctn Sponge Proof Mask