1、Constant temperature, easy to carry, fast heating, no stimulation. 2、Continuous heating for more than 8 hours, can effective warm abdomen. 3、Can be used for pale face, cold sweat, small abdominal cramps and so on. 4、Suitable for lower abdomen pain, swelling caused by menstruation. 5、Including 12pcs of the package, meeting your different needs. Condition: 100% Brand New Item Type: Self-Heating Patch Material: Non-Woven Fabric Size: Approx. 3 x 6 x 7cm / 1.2 x 2.4 x 2.8in Quantity: 12pcs / box Scope of Application: Apply to acupoints of human body for external stimulation. Noninvasive. It is mainly applied to acupoints such as qihai acupoint, shenque acupoint and yinjiaoguan yuan acupoint, which can be stimulated by external forces to regulate the body's immunity. Suitable for female lower abdomen cold warm, dysmenorrhea abdominal discomfort symptoms. Instructions: 1. According to the traditional Chinese medicine acupoint therapy, find the right acupoint 2. Cleaning the skin, remove the parting paper from the patch, apply the pressure body to the sensitive points of the acupoints, and apply again at an interval of 2-4 hours, once a day. Contraindications: 1. This product is forbidden for those who are allergic to it, and should be used with caution for those with allergic constitution. 2. Pregnant women are forbidden, and local skin damage is forbidden. Shelf Life: Three years 12 x Self-Heating Patch