PE material single use Berman airway HIGH QUALITY, FINELY DESIGN QUALITY ... use Berman airway FEATURES AND BENEFITS - Made of non-toxic PE, for single use only. - Guedel airway, Berman airway is available ... silicone Injection Molding, Plastic Extrusion, Plastic injection molding, Plate Vulcanizing, Pad printing, Auto package sealing, etc. PE material single use Berman airway