Help bring relief from aches, pains and discomforts. e.g. painful joints, back, neck, shoulder, feet, legs, sciatica, geadaches, mgraine and cramps. These have all responded quickly to the application of ACCU-MAGNETS obtaining relief within hours. Non-irritant, water resistant, band aid-like ACCU-MAGNETS are applied to the painful area. They may be left on for up to 5 days, even when sleeping or bathing. Spare plasters allow them to be used over and over again.There are two kind of magnets, one is gold plated, the other is black plated.