Safe, natural, long lasting heat - Odorless, Portable. CE, FDA, MSDS, RoHS Approved. Made in China using domestic materials. Eco-friendly and Non-toxic - Ingredients will not harm the environment. Multipurpose warmers - the heat packs that provide everyday warmth and are ideal forkeeping your body warm when the temperature gets cold. They’re available in several stylesdesigned for your hands, feet, and body.