This top-of-head, 360 degree swivel connection mask, comes down both sides of your head to seal around your nose. It is made of a soft rubber that handles high pressures but is easy on the skin. There are 3 frame sizes - small, medium, and large - and 3 cushion sizes. This fit pack includes a medium size fabric frame with magnetic clips which fits 85% of people and all 3 cushion sizes. The small and large frame sizes can be purchased on Amazon.