Dear Sir， 2020 is an extraordinary year, China's outbreak under control, the spread of the world, particularly in Europe, for my company's clients, empathy, and hope to ride out the storm together, early resumption of normal life, based on this,Our company has a long-term cooperation supplier, which is one of the 343 legal mask suppliers approved by the Chinese government. who provide you with high-quality and low-price products., have CE certification, in line with the European standard, provide disposable masks, hope to help you! Product features The size is 17.5cm x 9.0cm, 50 pieces/box, 2000 pieces/carton. The disposable three-layer mask is made of two layers of non-woven cloth and filter paper. The disposable three-layer mask is made up of two layers of professional non-woven fabric used for medical care, wihth an additional layer in the middle to filter and prevent the most bacteria of the filter dissolving spray cloth by ultrasonic welding. Filtering effect up to 90% B.F.E is particularly; Disposable mask in the production is the use of environmental protection plastic nose bridge strip nose bridge clip design can be made according to different face shape the most comfortable adjustment. the ear band can be very firm and not easy to fall off. Please reply to qingdaogaoyi@163.com Best Regards! Liu Yan QINGDAO HIGH-ART COLOURED TRANS-PRINTING CO.,LTD. Address: Licha town, Jiaozhou city, Qingdao ,Shandong province , China P.C.266300 Direct Line:0086-186 6199 9808 Office Tel: 86 -532- 86283585 WeChat: 18663975963 E-mail: qingdaogaoyi@163.com