Instant, portable, reusable heat packs. Made in the U.S.A. With the push of a button, your HotShotz heat pack will instantly crystallize right before your eyes as it heats up to 130 degrees, and they can be used repeatedly. HotShotz heat packs come in a variety of different shapes and sizes to fit all of your camping and hunting needs. Our high-quality heat is made to last a lifetime. Private label available. (less)