3 Boxes Disposable Medical Face Mask 3-Ply Earloop (50 Pieces) + 1 Box FreeHigh quality disposable masks are made of premium non woven fabric, soft and comfortable, gentle to the skin 3 ply and breathable: 3 ply layers can better block the small particles in the air and filter it, reduce the mugginess for wearing a mask. Please see our video on the fire test of the meltblown cloth filter, which is the middle barrier of the mask Considerate design: embedded nose clip can help fit the nose bridge, reduce the fogging on the