Ultra-long-lasting 14-hour thermal patch, 30 pieces

Size of each piece: about 13×9.5cm; the maximum temperature is about 63 degrees, the average temperature is about 53 degrees, and it can last for about 14 hours above 40 degrees.

【How to use】
Before use, take the thermal patch out of the bag, tear off the paper and stick it on your clothes to avoid direct contact with the skin.