1. Natural & long lasting heat up to 62 Centigrade. Air-activated with eco-friendly iron ingredients with soft non-woven fabric, long lasting heat more than 12 hours. Odor less, disposable. Do not apply directly to the skin.
2. Convenient to use. Remove warmer from outer package, tear the adhesive paper, fully air activated, warmer heats up in 5-10 minutes.
3. Outdoor essential. Weightless and portable. Ideal to prevent you from frostbite in chill winter when you camping, hunting, hiking, fishing, winter golf, outdoor chilly soccer games.
4. Durable & safe. Ultra thin and are designed for optimal comfort in any part of body, non-toxic. No using in your bed. Do not apply it with any heating source. Store it in the dry but no direct shnshine.