Developed by a respected former Clinical Director of Physical Medicine Cedars-Sinai Medical Center Los Angeles specializing in neck and back care and posture * Recommended by healthcare professionals for over 30 years * Our versatile wedge cradles and supports the body while sitting upright or sleeping simply by turning the wedge around * Two removable sections adjust the wedge height to 8 12 or 16 for comfortable elevation of the upper body * Multi-contoured concave surface prevents sliding and distributes the body weight reducing pressure and increasing muscle relaxation * Helpful for painful shoulders respiratory conditions post surgery osteoporosis painful neck swallowing difficulties or comfortable bed rest * Listed on the CertiPUR.US