The WiZARD 230 Nasal Pillows Mask is designed for the user with minimal facial contact and a clear field vision. The self adjusting nasal pillows and breathable headgear with special technique provide excellent seal and comfort. The WiZARD 230 featuring several innovative designs performs the magic to optimize sleep quality. Lightweight & Comfortable Lightweight Frame and Breath-O-Prene headgear to follow face contour for comfortable fit. Intuitive fit with excellent seal Self adjusting nasal pillows on a soft and flexible base with angle reinforcements keeps you from over-tighten headgear to hold a great seal.