These are a fantastic addition to the golf bag in the cooler months.
You simply remove one of the warmers from it's air tight pack and it activates. This causes an exothermic chemical reaction resulting in the production of a strong heat source for up to seven hours. Hold it in your hands or keep it in your pocket, it can make a dramatic difference to your comfort factor and help keep your hands supple and flexible when you're on course on a cold wintery day.
They can also be used in lots of other applications like camping hiking fishing or anytime your hands get cold.
There are 2 pocket warmers included in each pack.