This set of 2 neodymium therapy magnets can be used with children, small pets and on the head. These are light enough to use on earlobes to help open and clear senses and for reaching alpha or trance states durng  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 2mm thick. Approx force is  6,600 gauss each.  Neodymium magnets that are wrapped in leather/suede for maximum durability.