Hot Stuff Hand Warmers are the 100% natural way to warm up those hands or cold toes on a chilly day, whether it be on an outdoor adventure of trail riding, hunting, fishing, camping, jogging or hiking. Perfect size for game day, tailgating, and watching any outdoor sports/event. It is convenient, compact and portable for those who have to work outdoors or in a cold warehouse. These are sure to be a HOT hit at any event for 8 + hours of use. Remove from packaging and shake, exposed to the air will start the heating process. If you want to pause up to 6 hours, place the warmer in an airtight plastic bag to use later in the day.