Abstract: A telescopic container comprises an upper part of the container, a lower part of the container and a top cover, the upper part of the container is sleeved on a periphery of the lower part of the container, and the lower part of the container can move in the upper part of the container; and the top cover is detachably connected to a top end of the upper part of the container and is provided with an air valve. A telescoping property between the lower part of the container and the upper part of the container is used in the invention, a user downwardly presses the upper part of the container, or upwardly presses the lower part of the container, or performs the two actions at the same time, so as to achieve an object of changing a capacity of the container.

Abstract: A telescopic container comprises an upper part of the container, a lower part of the container and a top cover, the upper part of the container is sleeved on a periphery of the lower part of the container, and the lower part of the container can move in the upper part of the container; and the top cover is detachably connected to a top end of the upper part of the container and is provided with an air valve. A telescoping property between the lower part of the container and the upper part of the container is used in the invention, a user downwardly presses the upper part of the container, or upwardly presses the lower part of the container, or performs the two actions at the same time, so as to achieve an object of changing a capacity of the container.