The ResMed AirFit™ N20 Nasal CPAP / BiPAP Mask with Headgear  was designed based on the feedback of over 350 patients worldwide. Feel confident knowing your mask offers the most advanced technologies in the industry and is specially designed to fit perfectly night after night. The InfinitySeal cushion is proven to fit 99% of all faces.   Features and Benefits: Quick-release elbow makes it simple to disconnect tubing without removing mask Plush headgear for softness and stability Flexible frame adapts to different face shapes and extra padding provides added softness Magnetic clips connect headgear to frame easily Integrated padding Available in small, medium and large In the Box: (1) Headgear (1) Cushion (2) Magnetic Clips (1) Elbow (1) Short Tube (1) Frame