Jue-Fish Warming Stickers Autumn and Winter Warming Paste Foot Warmer Cold Protection in Winter Cold-Proof Warm Body Portable Warming Stickers

Our Warm Patch contains sodium oxide and vermiculite for long-lasting heat, safe and effective for up to 10 hours of high temperature warmth for hands, body, and feet. It's easy to use: first take out the patch, open the outer bag, peel off the backing film, then stick the warm patch inside clothes. The thermal insulation effect of the Warm Patch can last for 18 hours. After use, it releases heat through chemical reactions to raise body temperature and warm hands and feet, ensuring warmth when going out