Specifications: SIze: 13 * 10cm Heat time: 12 hours Average temperature: 53 ℃ Maximum temperature: 65 ℃ Shelf life: 3 years. Used by: 1, Crowd for the cold chills, female menstrual care, middle-aged people such as rheumatoid joint pain, provide cold warm care. 2, For the field work, mountain camping, polar expeditions, winter tourism, skiing, fishing and other outdoor sports to provide warmth protection. 3, This product can provide heat continuously to the body, with some relieving rheumatism and cold, has medicinal effects swelling pain. Note: 1.Product should affixed to the outside of underwear, do not directly attached to the skin 2.Please be careful low-temperature burns.long-time body heat will produce erythema, blisters and other symptoms.The maximum heating temperature is 65 ℃, do not use it while sleeping at night. 3.Pregnant women and diabetic patients and blocked the blood circulation is required to use under the guidance of a doctor. 4.Children, the disabled or sensitive skin should use more attention in the low-temperature burns happen. 5.Please keep products, to avoid plastic packaging products, vacuum bags injury or damage, or product will fail.（(open the vacuum bags should be used immediately, heating effect will last 12 hours) 6.Products in a dry, dark place to preserve.
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