Autohome Wine Chiller Bag Insulated Tote for Indoor Outdoor It can be used for freezing or insulating beer, beverage in traveling and other places,lasting several hours. Keep wine or beverages at a low temperature state, and at -18 degrees Celsius it still remain frozen state. Can be repeated many times using alternating hot and cold. It remained soft after freezing. Easy to carry, simple to use, safe and reliable.