Disposable Body Heat Patch for Cold Weather and Sports 40-Pack

SunnyBay’s disposable heat patches provide mild, consistent warmth at 113°F for up to 8 hours. Air-activated and easy to use, they’re perfect for easing muscle tension, cramps, and joint stiffness—or just staying warm outdoors. Stick them directly on your skin or under clothing for best results. Compact (2.5x3 inches) and portable, these patches are ideal for hands, feet, and targeted areas. No microwave or electricity needed—just peel, stick, and feel the heat. Great for cold weather activities or everyday relief, each pack includes 40 single-use warmers.