Abstract: An air-tight container is disclosed. The air-tight container comprises a body comprising a receiving space; a lid comprising an inlaying portion for removably fitting onto the body; and a sealing assembly. The sealing assembly comprises a sealing pad at a bottom portion thereof, wherein the bottom portion is surrounded by a resilient element and the resilient element is positioned between a top surface of the lid and a bottom side of the sealing assembly for moving the sealing assembly up and down in a vertical direction within the air-releasing passage of the lid under an external pressure applied thereto substantially unseal or seal the interior of the air-tight container.