Wool is made up of small, air-filled cells that help maintain a comfortable environment next to your body.
Air-filled swimming aids (such as water wings) cannot take the place of life preservers.
Consolidation-A condition in which lung tissue becomes firm and solid rather than elastic and air-filled, arising because of accumulated fluids and tissue debris.
Often refers to one of the air-filled cavities surrounding the eyes and nose that are lined with mucus-producing membranes.
Companies didn't want to distribute such a "trend" as air-filled soles.