Product Description Brand: Xiuyuan *Product Dimensions: 17.5cm*9.5cm *Material Type: Spun-bonded non-woven fabric, melt-blown non-woven fabric, ear loops and nose bridge bar. *Period of Validity: Three years. *Storage: It is recommended to store in a clean, dry, ventilated and non-corrosive gas environment, away from ignition sources or combustible materials. 鈼?-Ply construction to filter out bacteria, droplets, dust, and other pollutants. 鈼廌eflects fluid without sacrificing breathability. 鈼廔t鈥檚 easy to adjust nose clip for fit and seal. 鈼廠tretchable elastic ear-loops for a comfortable fit for long periods of wear. 鈼廋omfortable, soft inner layer. 鈼廌oesn鈥檛 include any natural rubber latex. 鈼廙inimize the spread of infectious diseases. Certificates CE,FDA,ISO9001,ISO13485,CMA Test Report,SGS Test reports etc.More details please try to contact our saleman. US FDA Certificate of Registration for Export. Packing&Delivery Default factory Package : 50pcs/box, 2000pcs/ctn.Disposable Face Mask quotation website:http://www.xiuyuanmedical.com/disposable-face-mask/