Features: 1. **Instant Heat Activation**: Simply open the package and stick the patch inside your clothing or on your hands. Enjoy warmth in just 15-30 minutes, perfect for quick relief from the cold! 2. **Long-lasting Warmth**: Each body warmer provides up to 10 hours of continuous heat, ensuring you stay cozy and comfortable throughout your outdoor activities or during chilly nights. 3. **Odor Absorbing Technology**: Our warmers are designed to absorb odors, keeping you feeling fresh and comfortable while you stay warm, making them ideal for long-term use. 4. **Versatile Use**: Perfect for various situations, these warmers can be used for your hands, body, or even in pockets, making them essential for winter sports, outdoor events, or daily commutes. 5. **Reliable Thermal Insulation**: Made with high-quality iron powder and toner, our warmers offer excellent thermal insulation properties, ensuring stable and reliable heat retention in all weather conditions. Our body warmers contain iron powder and toner. It can provide lasting and stable heat. It has good thermal insulation properties and helps to retain heat. Absorbs odors and stays fresh and comfortable during use. Its use method is very simple: 1. After opening the package, take out the patch and stick it on the inside of the clothes. You can also glue it to fabric and wear it on your hand to warm your hands. 2. The patch will start in 15-30 minutes; 3. The insulation effect can last for 10 hours. Warm up quickly to keep you comfortable in cold weather. Continuous heating up to 10 hours, all-weather insulation, stable and reliable.