These bag options are useful away from home or away from the refrigerator/freezer. The Insulated Travel Pouch measures 38cm x 25cm and has a resealable pressure closure. The silver bag will reflect 99% of all radiant heat transfer. This will allow you to transport your cold Arctic Heat cooling vest in the car, on the way to competition, or that summer family outing. It will keep your cooling vest insulated and cold for at least an hour. This is a must have item for people who have to transport the cooling vest.