Grabber Warmers 20 Pack ECHWFL 2in. x 3.5in. 7+ Hour Hand Warmer Are you looking for a comfortable and portable source of heat able to fit in the palm of your hand Our Air-activated Grabber Hand Warmers keep hands and fingers toasty for over seven hours No shaking or kneading is required; just open the package Put the "Original" Warmers in your glove or pocket for a few minutes to start the process Avg Temp 135 F/57 C. Max Temp 156 F/69 C