The regular pain due to excessive sports and running, the sudden muscle pull due to a strenuous activity or the ever excruciating menstrual cramps are a usual in and around one’s immediate surroundings. Look no further than a heat pack that provides immediate relief to common troubles of aches and pains.A flexible bag of heat pack contains special heat-holding chemicals that provide immediate relief in a strained muscle or even a broken bone. It is designed to warm up your body to prevent from swelling of injuries. It is ideally used for chronic conditions that require loosening up and relaxation of tissues and to stimulate the blood flow. Heat packs can be used for treatment of sports injuries, back pain, menstrual cramps, arthritis pain, growing pains or any pain where heat can provide immediate relief. They also come in handy when participating in adventurous activities like hiking, camping, hunting, fishing, scuba diving, wind surfing, horse riding, swimming, marathon racing and even rigorous walking. They are also used for certain facial ailments and for personal hand warming. A heat pack is also found in food containers that are meant for hot meals like casserole dishes.