The self-heating patch is made of high-quality non-woven fabric and filled with iron powder, vermiculite and mineral salts. It does not require charging, is self-heating, easy to use, heats up quickly, and lasts up to 12 hours, making it an excellent companion for winter outdoor activities. At the same time, it can also provide menstrual care and pain relief for women. Common sizes are: 8cm*10cm/9.5cm*13cm/10cm*14cm. A box can hold 10 or 20 pieces, each piece is individually packaged, suitable for various daily and outdoor heating needs. We provide a full range of cost-effective promotional products and look forward to mutually beneficial cooperation with you.
