The large Tiger Balm Patch is a 4 in. x 8 in. flexible discomfort relieving patch that helps provide temporary relief for minor aches associated with muscles and joints for hours of comfort. Its thin design can be comfortably worn unnoticed underneath clothing. They are easy to use and go to workwhere it hurts with special hydrogel technology. The ingredients penetrate the skin quickly, stimulating blood circulation around the target area.