Midol Heat Vibes Menstrual Pain Relief Heat Patches offer effective, drug-free relief for menstrual cramps and backaches. Each patch provides up to 8 hours of targeted heat therapy, promoting blood flow and relaxing muscles to soothe pain. These patches are designed to fit seamlessly under clothing, making them discreet and convenient for on-the-go use. Ideal for relieving symptoms associated with PMS and your period, Midol Heat Vibes patches are a reliable and easy-to-use solution.