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Provides 8 hours of heat!
Application: these feet warmers are extra thin insoles and therefore fit easily into any shoe. Heats the entire surface of the insole. These thermal insoles are comfortable to wear and do not disturb in the shoe. It is a must for cold weather and outdoor activities. When your feet are warm, you don’t mind the cold weather! Never have cold feet again.
Activation: no charge or boiling is required. Open the package. Place the foot warmers with fabric side to the top and with a smooth side down into the shoes and then, enjoy up to 8 hours of warmth. From 39 °C with a maximum of 45 °C when used as intended in shoes.
Tip 1: for sufficient oxygen supply in the shoe, if you have really tight shoes, take the foot warmers out of the shoes from time to time and put them into your jacket pocket so that they can be reactivated. –
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Ingredients: iron powder, water, cooking salt, activated carbon, vermiculite.
Quality: our thermal insoles conform to strict quality criteria of ISO 9001, ISO 9002, TUV Rheinland, CE marked.
Reaction/disposal: the thermal insoles are made of a breathable bag. The reaction heat is created through the slow oxidation of the iron powder as it reacts with oxygen. The thermal insoles are non-toxic and are to be disposed of after use in the normal household waste, residual waste (single-use).
Shelf life: several years in unopened condition.
Contents: 5 pairs.