It is a medical device used to assist in tracheal intubation, which is the process of inserting a tube into the trachea (windpipe) to secure an airway. It comes in a pack of 50 and it’s a malleable (bendable) device, it is made of aluminum and coated in plastic, that is inserted into an endotracheal tube (ETT) to give it shape and rigidity, making it easier to maneuver through the airway during intubation