Long-Lasting Adhesive 8hrs Toe Warmers 5 Pairs by Kiribai

Origin: Japan

Thin air activated toe warmer, adheres to socks.

Up to 8 hours of heat, temperature stays steady for stable heat.

The average temperature 96.8 °F(36°C), and maximum temperature up to 109.4°F(43°C).

Especially recommended for seniors who feet often feel cold, it’s safe and ease  to use in any season.