The Portex Premium Plus Anesthesia Mask is an oxygen mask that helps facilitate airflow to the patient. The mask fits most adults. It features transparent material, allowing doctors and nurses to visually inspect the patient’s mouth visually. The soft material is malleable and latex-free, making the Portex Anesthesia Mask ideal for people with sensitive skin. Each mask is individually -wrapped and disposable for convenience. The Premium Plus Air Cushion Mask with Inflation Valve comes with a dark blue hook ring and an inflation valve. Oxygen tubing is sold separately.