To use, simply open a packet—contents are air-activated and provide heat for a total of 6 hrs.
- Disposable packets are designed to work inside your shoes or boots; stick them to the outside of your sock
- Toe warmers are made with nontoxic materials; ingredients include iron, water, cellulose, vermiculite, activated carbon and salt
- When worn in shoes, the average temperature is 100°F; the maximum is 107°F
- Keep toes warm for up to 6 hrs.
- Contains 3 pairs of Grabber toe warmers
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