1) The air-tight storage box includes a silicone container and a silicone sealing lid. The special design features innovative silicone lid that creates an instant air-tight seal. In operation, the sealing lid is put on the opening portion of container. The sealing lid is pressed down so as to extract the part of air from the gap between the outward tilt portion and the annular border of lid, so that the air pressure inside the container is lower than external air pressure. Accordingly, facilitated with the external air pressure which is greater than the air pressure inside the container, the sealing lid is more closely sealed with the container.It makes an instant sealing, a perfect air-tight function. In operation for opening, the tab is drop, the air-tight status will disappear. It is easy to remove the sealing lid and open the canister. 2) The stackable design for canister in same size could save the space in the kitchen. 3) Safe of microwave, dishwasher, freezer.
