This set of large neodyium magnets is ideal for use on larger areas of the body. Not intended for children under 14 or for use on the head or neck. Use with magnet therapy, biomagnetism , lymphatic drainage, weightloss, or to balance the pH . Each magnet has a negative charge on one side and a positive charge on the other. Actual magnet measures 2" inch in diameter. 13,500 gauss per magnet. Wrapped in leather/swede. Bundle and save.