“Kairo” the Japanese way to keep out the cold

“Disposable-Kairo;pocket body warmer“,utilizes the fever caused of the oxidation action of iron powder, is the one of the popular way to heat our body in severe winter.
You can buy the Kairo everywhere Japanese winter; the supermarkets, drug-stores, even the KIOSK at the station.
Then,you must be amazed with a variety of Kairos.

Kairo on sticker is efficiently heat your body up when you put on your neck or hip.
Kairo for toe is favored by women feeling cold on their feet.

If you don’t like the disposable way of kairo, you can choose e-kairo using electoric power.
Why don’t you find your favorite kairo ?