Heating Duration: Regular Size - 18 to 24 hours at 140�F
Dimensions: Regular Size- 2.7"x4"x0.6"
Heating Element (2 included) - Platinum Catalyst technology, 5000 hours heating life
(a) People who live in cold weather
(b) Special workers such as miners, oil field workers working in cold weather
(c) Elderly people, children, or other weaker people,
(d) Fishing, hunting, skiing, and outdoor activities in cold weather
(e) Football, baseball and outdoor sports in cold winter.
Type of Fuel to Use: Ronsonol or Zippo lighter fluid only.
Package Includes: Hand warmer, carrying case, extra heating element