Kokubo Hand Warmer Bag Small 10pcs

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Kokubo Hand Warmer Bag (Small) (10pcs)Generates heat naturally after you have opened the packing and gently shaken the inner bag. If it is put inside pocket, the temperature will r ise again. The highest temperature generated is 66℃, whereas the average temperature is 52℃. It maintains a temperature of over 40℃ for 7 hours. Size: 9.6 cm × 7 cmHow to use :Tear open the plastic bag. Shake the inner bag for a while (do not puncture it) for heat generation. Show more