The children face mask disposable is composed of non-woven fabric and meltblown fabric, three-layer high-efficiency filtration, according to the GB/T32610-2016 standard, the filtration level reaches FFP2, the fabric is soft, does not harm the skin, has good breathability and waterproof performance, and the production meets the European Union standards , It has the functions of preventing bacteria, dust, haze and air pollution, and has passed FDA/CE/Test Report certification. Available in white, blue and printed styles. https://www.hopehealthmask.com/p...able-flat-face-mask.html