This set of 2 neodymium therapy magnets are covered in swede/leather and can be used a variety of locations on body when applied to balance the pH or when using therapeutic techniques such as biomagnetism, magnet therapy, hypnosis, meditation, relaxation, lymphatic drainage, and more. Each magnet has a negative charge on one side and a positive charge on the opposite side. Actual magnet measures 1 inch in diameter and measures approxinmately  6,600 gauss.  Neodymium magnets that are wrapped in leather are optimal to last many years with repeated use.