Inventors:
Stephanie L. SMITH - Baxter MN, US
International Classification:
B32B 3/00
Abstract:
A cushion includes a center area that is filled with a gel-type material or liquid and is circumferentially surrounded by an outer area that is filled with a beaded-material. In one embodiment, the outer area includes a gel-type material. A bi-directional valve is connected to the outer area to allow only air in or out of the outer area.