The Kiribai Kairo New Hand Warmer has a long-lasting effect of 24 hours so you can keep your hands warm for the whole day.
DIRECTIONS OF USE:
Shake and rub the product several times and keep it inside pockets or wrap it by cloth to use.
Do not contact with skin directly.
If the temperature drops during use, please shake or rub again, and keep inside pocket. The temperature will rise again.
Do not use in the situations below: During sleeping, under the blanket, electric carpet, near stove, heater, any source of heat.