The Fridge-to-Go Lunch Box is built with removable panels that stay cold for up to 8 hours. Adjustable shoulder strap and mesh pocket allow for storage of napkins, wipes, or utensils. One of the best lunch boxes on the market. No more ice packs to remove and freeze. Simply place the entire lunch bag in the freezer in the included cinch sack. Great for lunch, beverages, sports, travel, car, beach, or office use.