This Is The Large-sized Replacement Seal For The Roscoe Dreameasy Full Face Mask * Lightweight And Comfortable For All Users With A Full-face Design That Is Ideal For Patients Whose Therapy Is Compromised By Mouth Breathing * Ergonomic Design Seals Around Facial Contours To Improve Overall Compliance And Minimize Air Leaks * Made With High-quality Medical Liquid Silicone * Completely Odorless And Latex-free * Size Medium; Also Available In Small And Large * Compatible With The Roscoe Dreameasy Full Face Mask; Not For Use With Other Cpap Masks * Sold Individually *