<b>Feature:</b> <br> <br>Please be careful low-temperature burns.long-time body heat will produce erythema, blisters and other symptoms.The maximum heating temperature is 66, do not use it while sleeping at night <br> <br>Children, the disabled or sensitive skin should use more attention in the low-temperature burns happen <br> <br>12 hours of soothing heat. <br> <br>Body heat pads last for over 12 hours. Great for all-day pain relief from cramps or soothing sore muscles. <br> <br>Thin and flexible, These Heat Pads can be worn comfortably without bulkiness. Unlike a hot water bottle or microwave bag, you can stay toasty warm for 12 hours. <br> <b>Package Content:</b> <br> <br>10 x Body Warmer Stick