These air-activated Grabber Hand Warmers keep hands and fingers toasty for over seven hours, without the need to shake or knead. Just a comfortable and portable source of heat that you can fit in the palm of your hand. Simply open the package and put the "Original" Warmers in your glove or pocket for a few minutes to start the process. | Grabber Warmers 7+ Hour Hand Warmers 3 Pack in White