Face mask disposable protecctive is composed of non-woven fabric and meltblown fabric, three-layer high-efficiency filtration, implementation of GB/T32610-2016 standard, filtration level up to FFP2, skin-friendly fabric, good breathability and waterproof performance, production in line with European Union standards, with Bacteria, dust, haze, and air pollution, etc., with independent packaging design, convenient and sanitary. https://www.hopehealthmask.com/p...ble-protective-mask.html