Provide fast relief for pain. These pads activate when exposed to air and last up to 12 hours. They are effective for soothing muscle aches, joint pain, and period cramps. The adhesive backing allows secure placement on clothes, giving targeted warmth. Ideal for home use or on-the-go relief. Key Features: Long-lasting heat: Delivers warmth for up to 12 hours. Easy to use: Activates with air exposure. Versatile: Helps with different types of pain. Portable: Slim design fits under clothes discreetly. Adhesive backing: Stays in place during movement. Safe: Air-activated, no electricity needed.