Product Highlights ✅ Up to 10 Hours Stable Gentle WarmthAdopts advanced air-activated heating technology, these hand warm pads can continuously release soft and stable natural warmth for up to 10 hours. Effectively drive away cold and bring cozy comfort to your hands in low-temperature environments, allowing you to enjoy pleasant outdoor activities in winter.✅ Safe & Convenient Ready-to-Use DesignNo charging, no power supply or extra tools required. Just tear open the individual package to activate the heating function instantly. Made of safe raw heating materials with breathable non-woven fabric outer layer, offering gentle warmth without overheating easily.✅ Portable & Compact Disposable PackOne box contains 20 independent sealed warm patches, lightweight and easy to store in gloves, coat pockets, backpacks and handbags. Disposable design is clean and hassle-free, perfect for camping, skiing, hiking, fishing, daily commuting and various winter indoor & outdoor scenes.✅ Wide Application ScenariosThese portable thermal warm pads are not only ideal for keeping hands warm, you can also put them inside your pockets, coats or boots to keep your whole body warm in freezing weather, suitable for men, women and teens for all kinds of cold season activities. How to Use 1. Take one hand warmer patch out from the outer sealed package; 2. Expose the patch to air, it will start generating gentle heat gradually after contacting air; 3. Place the warm pad inside your gloves, coat pocket or hold it in your hands directly for warmth retention; 4. After use, wait for the patch to cool down completely, then dispose of it as general household waste. Warm Tips 1. For external warming use only, do not attach directly to bare skin to avoid low-temperature burns. 2. Not recommended for infants, pregnant women, people with poor skin temperature perception or nerve disorders. 3. Do not use while sleeping, stop using immediately if you feel skin redness, burning, itching or other discomfort. 4. This product is daily cold-proof thermal supplies, not medical devices, cannot replace medical treatment to relieve physical pain or treat diseases.