Innova Nasal Mask mask has all of the newest features including Ultra Soft Blue AirGel?? Super Light Weight?? Touchless Spacebar?? and Active Headgear! All are unique features with patents owned by Sleepnet.</br>AirGel Maximum comfort?? minimum weight. Our patented AirGel minimizes pressure points and skin irritation. Advanced Cushion Technology (A.C.T.): Our ergonomic cushion technology delivers an effective seal for the most comfortable fit.</br>Active Headgear Connector: Moves as you move for a reliable seal. Touchless Spacebar: Touchless design provides superior stability?? holding a seal without contacting the forehead!</br>Quick Release Headgear Lightweight?? breathable headgear slides off easily with one hand. 360?? Rotating Swivel For optimal tube positioning and easier mobility.</br>Size says M/L on the package but it is a size Medi