Click the button and the heart heats up almost instantly, remaining warm for 30 minutes and re-useable.

An excellent idea for anyone who spends time in the cold, especially sufferers of poor circulation. The 10cm gel filled heart can be carried inactivated until required, then simply click the button and the heart heats up almost instantly, remaining warm for 30 minutes or more. It can be reused continually after immersing it in boiling water. Colour may vary.