This magnetic therapy travel pillow effectively relieves neck and shoulder discomfort . Just want to unwind and take a nap on the plane or in the car, the U-shape design comfortably cradles your head to prevent neck strain while the magnetic therapy field keeps your shoulders relaxed. It contains 16 large, 3/4" diameter x 1/4" thick , 4,300 gauss magnets that are strategically placed so they surround your neck and shoulders with a deep penetrating bio-north magnetic field. They are excellent for relief of back neck pain and headaches. Filled with Micron III™, a soft, down-like polyester, the pillow is incredibly comfortable. Size: 11" x 13" x 3½". As with all our products, the Magnetic Therapy Travel Pillow is made in the USA.