A closure for use during Positive Airway Pressure treatment of Obstructive Sleep Apnea for controlling air leakage through the lips and mouth of a person. The closure includes a first member formed of an air-sealing layer for extending over the lips of and to an adjacent region on the skin of the person. The closure includes a second member formed of an adhesive layer adhered to the first member for placement on at least the adjacent region on the skin for adhering the closure to the skin to form an air seal over the mouth. The closure includes a quick-release member for breaking the air seal.
