Features:1. **Long-lasting Warmth**: Enjoy up to 8 hours of continuous heat with our Disposable Foot Warmers, perfect for keeping your feet cozy during cold weather adventures.2. **Quick Activation**: Experience instant comfort as our heating patches start warming within just 15 to 30 minutes after application, ensuring you stay warm when you need it most.3. **Easy to Use**: Simply peel and stick the patch to the outside of your sock for hassle-free warmth. No complicated setup required, just open the package and enjoy!4. **Safe and Reliable**: Made with activated carbon and wood powder, our foot warmers provide a stable and reliable heat source, ensuring your comfort without any worries.5. **Versatile for Any Occasion**: Ideal for outdoor activities, sports, or simply relaxing at home, our foot warmers are your go-to solution for cold weather comfort.Our warm foot patches contain activated carbon, wood powder and adhesive. It can start up quickly, keeping you comfortable in cold weather. Its usage method is very simple: After opening the package, take out the patch and stick it on the outside of the sock. The patch will start heating within 15 to 30 minutes and the insulation effect can last for 6 to 8 hours. And it can heat continuously for up to 8 hours, providing round-the-clock warm care, which is stable and reliable.