The 45 degree Positioning Wedge provides support, stability and elevation for patients. It is constructed of high-density foam and is carefully designed for optimum stability while in use. This 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. Pediatric size measures 12" X 7.5" X 3.5". Case of 4.