BED WEDGE SMALL, MEDIUM, LARGE- Elevates head & shoulders for easier breathing, better support for spine & back muscles (large) BED WEDGE SMALL 8" X 24" X 24"; MEDIUM 24" x 24" x 10";LARGE 24" x 24" x 12" elevates the head and shoulders for easier breathing and better support for the spine and back muscles Use at the other end of the bed to elevate or otherwise position legs. Poly/cotton cover in white