Perfect size to stick in your pocket for football games, hunting, or any outdoor activity this fall and winter. The Hand Warmer uses Zippo premium lighter fluid (not included) to produce more than 10 times the heat as traditional models and lasts for up to 24 hours. Plus, it comes with Zippo's one-year guarantee, making the Zippo Hand Warmer a perfect fit for any outdoors enthusiast. Measures 4" x 2 3/" x 1/2". Engraved with up to two lines of personalized text (up to 15 characters per line).