Advantage:
1) Instant warming
2) Long lasting heating time
3) Free charging safe using
4) Sealed packing
5) Release heat uniformly
How to use:
1) Open the pouch, tear off the safeguard paper and stick the pad onto your underwear, forbid sticking on the skin directly.
2) Please remove the pouch slowly after use in order to avoid the damage to the clothes.
Multipurpose use:
1) Cold weather
2) Body cold
3) Hand warmer
4) In sleeve
5) Inside gloves
6) On bed