Easily apply both polarities to areas like face, hands, fingers neck, thyroid or to children or pets with this small double polarity neodyium magnet. Now you don't have to worry about magnets moving or sticking to eachother.  Both polarities on each side makes it easy to apply and balance pH in any area. Wrapped in leather. Measures 2 inches by 1 inch.  Each polarity is 4000 gauss