For instance, soft breads should be wrapped twice in plastic wrap and then again in either a gallon plastic bag or foil, according to USPS. Harder, yeast-y breads can be wrapped in foil and then in plastic.
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Each passenger may carry liquids, gels and aerosols in travel-size containers that are 3.4 ounces or100 milliliters. Each passenger is limited to one quart-size bag of liquids, gels and aerosols.
Cover the food with wax paper or seal in plastic wrap, place the pan in a plastic bag and pack in a cushioned food box. Pack cakes snugly into tins. For candies, be sure they are in individual bonbon cups or papers, layered and separated with wax paper. Make sure there is no headroom in the food box.