Portable Self-Heating Hand & Body Warmers – Reusable Warm Patches

Stay cozy in cold weather with Jaysuing portable hand warmers featuring self-heating patches. These patches use natural ingredients like iron powder, salt, and activated carbon to generate gentle, consistent heat through a chemical reaction. Ideal for keeping hands, body, or feet warm during outdoor activities, commutes, or daily use. Simply place inside clothing (avoid direct skin contact) for warmth starting in 15-30 minutes. Each reusable patch provides up to 10 hours of sustained heat. Designed with plant-based materials and cruelty-free principles for reliable comfort in any weather. Heat duration may vary with ambient conditions.