Sealable container arrangement having a. a container which comprises a container material and has a container longitudinal axis and a container connecting element, b. a lid which comprises a lid material and i. is connectable to the container and ii. comprises a lid connecting element which corresponds to the container connecting element, iii. comprises a collar and a cover plate which is connected in one piece to the collar, iv. comprises a circumferential groove comprising an inner side flank arranged in an inclined manner in relation to the container longitudinal axis, c. a sealing element, which comprises a sealing material, for sealing the lid on the container, wherein d. the sealing material comprises a hardness which is less than the hardness of the container material and/or is less than the hardness of the lid material e. the sealing element is arranged in a captive manner in the groove, wherein the groove comprises a groove width (B N) which is smaller than or equal to a thickness (D D) of the sealing element, f. the container comprises a ring-face-shaped end face in the region of the container opening, g. with the lid connected, the end face of the container is arranged inside the groove, characterized in that h the container arrangement is provided with a displaceable bottom which is arranged in a sealed manner along the container longitudinal axis in the container, i. the container is arranged at a spacing from the lid, as a result of a radial gap, in the region of the groove, with the container arrangement in the closed state, j. the container comprises a chamfer on its inside surface, wherein the chamfer and the inner side flank define the radial gap. a. a container which comprises a container material and has a container longitudinal axis and a container connecting element, b. a lid which comprises a lid material and i. is connectable to the container and ii. comprises a lid connecting element which corresponds to the container connecting element, iii. comprises a collar and a cover plate which is connected in one piece to the collar, iv. comprises a circumferential groove comprising an inner side flank arranged in an inclined manner in relation to the container longitudinal axis, i. is connectable to the container and ii. comprises a lid connecting element which corresponds to the container connecting element, iii. comprises a collar and a cover plate which is connected in one piece to the collar, iv. comprises a circumferential groove comprising an inner side flank arranged in an inclined manner in relation to the container longitudinal axis, c. a sealing element, which comprises a sealing material, for sealing the lid on the container, wherein d. the sealing material comprises a hardness which is less than the hardness of the container material and/or is less than the hardness of the lid material e. the sealing element is arranged in a captive manner in the groove, wherein the groove comprises a groove width (B N) which is smaller than or equal to a thickness (D D) of the sealing element, f. the container comprises a ring-face-shaped end face in the region of the container opening, g. with the lid connected, the end face of the container is arranged inside the groove, characterized in that h the container arrangement is provided with a displaceable bottom which is arranged in a sealed manner along the container longitudinal axis in the container, i. the container is arranged at a spacing from the lid, as a result of a radial gap, in the region of the groove, with the container arrangement in the closed state, j. the container comprises a chamfer on its inside surface, wherein the chamfer and the inner side flank define the radial gap.