Discover the quick healing way to ease muscle aches and pains! From sore muscles and menstrual cramps to arthritis and stiff joints, pain sufferers know that any long-lasting discomfort can put slow down your pace of life considerably. Ease your pain and discomfort by enjoying relief with Reusable Heating Packs from Outdoor Nation. With simple instructions, each fast-acting pack contains an internal disc for activation. Just snap it and apply the pad to your area of pain. Heating pad temperatures climb up to 129˚F, effectively stimulating oxygen flow to the muscle for instantaneous pain relief and relaxing comfort. The packs are compact and portable so you can use them just about anywhere!