Sleek, soft, and adaptive ResMed's AirFit N20 Nasal CPAP Mask combines an advanced InfinitySeal cushion with a flexible frame, and plush headgear, to deliver superior comfort and a secure seal with a minimal of facial contact. AirFit N20 is available in three sizes to fit a wide range of users. The size shown here is a medium and would be the exact product sent out. New never opened. Checkout my other products to bundle & save ✨