Hermetically sealed can refers to a container that is air-tight and vacuum-sealed, preventing any form of air or liquid from penetrating the contents. Some synonyms for the phrase include vacuum-sealed can, air-tight container, and impermeable jar. Other similar terms include sealed container, tightly sealed packaging, and airtight tin. Whatever the phrase used, the essential function of the can remains the same, which is to preserve the freshness, taste, and quality of the contents. These cans are widely popular in the food and beverage industry and have become a trusted way to secure canned food products safely.