【Product Features】 -Non Medical and disposable mask -3D outlook design -Meet standard and certificate assured of China -4 layer protective mask 【Product Details】 -50 piece per pack -type: Adult -Structure: 4 layers, Ear band -waterproof mask -Melt Blown Antibacterial Filter -Free size (One size fit all) -Nose Bridge wired -Non-woven -BFE > 95%