Firm polyurethane foam. Used to elevate the head for breathing comfort, circulation, and pressure relief. Also used to elevate the feet for relief of swelling. Cover has zipper closure for easy removing and washing. Doctor recommended for relief of hiatal hernia. fold's in half for easy storage.

Sizes: 25" X 24" X 7", 25" X 24" X 10", 25" X 24" X 12"