There is a small metal activator floating in the bag. If you pinch the disc, so it snaps, the trigger will start a unique, instant crystallization process that produces heat up to 130 degrees Fahrenheit within seconds
Instant heat relief when and where you need it most The Hand Warmers provide therapeutic heat therapy where you need it most
The packs will actually change from liquid to solid, conforming to your body, emitting heat through the physical change
Heat times are extended by using any form of insulation. Once the heat pack is discharged, just simply recharge it by placing it in boiling water for several minutes and following the instructions printed on each pack
The Hand Warmers are also portable, so they can be used at home or office, while driving or commuting, or while attending or playing sports

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5.4 inch
Height : 4.7 inch
Length : 6.3 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 1.55 pounds (View shipping rates and policies)

ASIN : B011EUKLEE