This customized Bivona silicone tracheostomy tube is a sterile airway device designed to maintain a tracheal airway in a patient with a surgically created tracheostomy. Bivona tubes use flexible silicone construction intended to conform to the airway. This listing identifies a 5.0 mm internal diameter and a customized configuration. Exact length, cuff configuration, flange style, and accessories should be confirmed from the package label.