【Specifications】 Product Size: 130mm/95mm Ingredients: Iron powder, water, activated carbon, water-absorbent resin, vermiculite, salt Maximum Temperature: 63°C * (Caution: Burns) Average Temperature: 53°C * Duration: 14 hours * * The displayed maximum temperature, average temperature, and duration are measurements based on Tokyo Metropolitan Ordinance, so there may be slight differences when used on the human body. 【How to Use】 ・Read this instruction carefully and keep it. ・Take the body warmer out of the bag immediately before use, shake it lightly a few times, and use it over thick clothing or wrapped in thick cloth to avoid direct contact with the skin. ・Use with extreme caution to avoid burns due to high temperatures. ・If the temperature drops during use, shake it again. ・Store any remaining body warmers in this bag after opening and use them as soon as possible. ・The storage condition may affect the displayed duration. 【Precautions】 ・This is a high-temperature body warmer, so be careful of burns and low-temperature burns. ・Do not fix or compress: Do not use in a fixed state, such as with a body warmer belt or belly band. ・Do not use directly on the skin or in close contact with the skin: Do not use in close contact with the skin, such as in trouser pockets. ・Always check the condition of your skin about once an hour: If your skin turns red, stop using it immediately. ・Do not use indoors. ・Do not use by infants, children, or people with circulatory disorders such as diabetes. Thank you for viewing. We will ship with simple packaging. Due to the size of the post slot, we will ship after taking the product out of its outer bag. Please understand and purchase accordingly.