Slim and practical foot warmers to avoid feeling cold in winter! Keep you feet warm in your shoes and enjoy the warmth for up to 8 hours.
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EASY TO USE: Once the packet is open, shake the warmer to begin releasing the heat.
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8 HOURS OF HEAT: The insoles provide 8 hours of heat from when their packet is first opened. All-over, effective heating for any activity.
- NATURAL INGREDIENTS: composed of natural ingredients such as coal, water and salt