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FootWrmrinuse.jpgOf course, it's just a joke. Penguins don't use warmers.

However, our patented Foot Insole Waremrs do really warm up your cold feet.
- Your soles of feet will be greatly warmed for 5 or 8 hours.
- Thin, 3 millimeter thick, and you won't feel bulkly at all.
- The Foot Warmers will be formed into your soles of feet during use and comfortably fit.

Mycoal's patented technology: Our patented heating element formulation and plate application method only enabled to create such perfect Foot Insole Warmers.