Foot warmers in the shape of shoe inserts are an ideal choice for keeping warm during cold days. Designed for maximum comfort and can keep warm for up to 10 hours. 

• Technology: oxidation process
• Average temperature: 40 °C
• Play time: 8-10 hours
• Ingredients: Made from natural ingredients: Iron Water Activated carbon Highly absorbent polymer Vermiculite
• Advantages: Adjusted to fit easily into shoes, providing comfort and even warmth throughout the day.
• Instant Activation: Heaters activate within 5 minutes of opening the package and exposure to oxygen.
• Environmentally friendly: Made from natural, compostable materials, they support a sustainable lifestyle.