The size of our hand warmers are 95*55mm, it can provide 12 hours of warmth evenly and stably, the activation time is only 1-2 minutes after contact with the oxygen in the air, and reaching its optimal heat within 8-10 minutes, which remains stable for at least 12 hours.
It is small and easy to take, they are very convenient to use during attend the outdoor sports, highly advise you can consider the Hand Warmer, our Hand Warmer is 12hours, usually most of local manufacturer only can offer 8~10hours, so our Hand Warmer will be very very competitive in whole European market.
