The Body Positioning Wedge is a high-density foam provides support, stability and elevation for patients. Variety of sizes and angles available including. Carefully designed for optimum stability while in use. Medical-grade, open-cell polyurethane foam "breathes" next to patient's skin providing a comfortable cooling sensation. Hypo-allergenic, radiolucent and flame retardant foam material. Measures 19" X 9" X 9". Case of 4.