The Custom Warmers are smaller and more handy for easy insertion and improved hold inside the pouch of your Warmer Ready Socks or Warmer Ready Mittens. Non-toxic, odourless and ecological, they can be used for all your sports or leisure activities. When the packaging is opened and the warmer comes into contact with the air, it reacts and begins to heat up in just a few minutes.
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They work using completely natural ingredients (water, salt and activated carbon) meaning you can throw them out with your household waste.Have a fantastic day of skiing!