Pelican cases are molded plastic containers that seal with an airtight and watertight gasket. The oranges are then packed in airtight sealed containers. Storing meringues in an airtight container will prevent humidity from affecting the sugar. Stigmas are dried quickly upon extraction and (preferably) sealed in airtight containers. The cone faced down into a sealed, airtight enclosure. Each seed sample consists of approximately 500 seeds sealed in an airtight aluminum bag. Storing them in airtight containers keeps them for several months. Ghee is generally found to be packaged in airtight glass jars. The paste may be stored in airtight containers. Hermetic sealing for airtight conditions is used in archiving significant historical items. Susceptible items can be protected from attack by keeping them in clean airtight containers. Turquoise can also be adversely affected if stored in an airtight container. They will keep for at least a week if stored in an airtight container. A piston with an airtight circular seal is fitted into the cylinder. Ivory was prized for containers due to its ability to keep an airtight seal.