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 . <EOS>