50pcs disposable children mask

product details: name:children disposable face mask package:paper box sterile:yes material:non-woven usage:block dust particles, smoke, pollen,anti-dust ,anti-bacterial,etc. product feature: 1.three layer protect: non-woven outer layer +filtration paper layer+skin-friendly non-woven inner layer.breathable comfort, low respiratory resistance. 2. plasticity nose bridge strip, hide the sides of the fixed nose.more suitable for all face types. 3.high-elastic flat ear strap. will not t...