1. Produce non woven face mask blackbody automatically from raw material roll width 180-200mm, 18-20gsm; 2. Inserting nose wire, then forming, sealing and cutting---finished mask black; 3. The size of mask blank is 175(L)*80-100(W)mm, other specifications according to customers; 5. Two or three more fabric layers available. http://www.medical-machinery.com