HELLO HEAT Warm Pack 5 Pairs of Sole Warmers in Size S (36-40) or L (41-45) I Shoe Heater with 7H Heat Duration I Instant Warming Insole (Heat Sole) I Foot Warmer for Shoes, Ski Shoes & Boots

5 pairs of cuddly warm soles – say goodbye to cold feet! Warmpack foot sole warmers are thin, comfortable and above all one thing: warm. With a temperature of approx. 37 °C keep your feet warm. Can be kept for several years unopened.
No cooking or warming up before – Open the packaging, place foot warmer in the shoes, enjoy warmth. When in contact with the air, the sole heats up by itself and reaches the maximum heating temperature after a few minutes.
Long-lasting heat duration: our heat packs provide warm feet in any situation – the heating soles are ideal for skiing, hiking, carnival, hunting and everyday use.
Suitable for any shoe – The self-heating foot cushion heat pad integrates into any shoe. Boots, boots, hiking shoes, trainers or lace-up shoes – the warm sole fits
Natural ingredients – The operation of the heated shoe insoles is based on purely natural materials: iron powder granules, salt, activated carbon, water & vermiculite.