Namely when the plastic thing actually is in the trunk. Looks more like disturbing foreign bodies since the does not belong in. Unfortunately, the tub also not 100% elastic. If a heavy object on one of the corners is no longer correct this later in their former shape. This is especially true during the cold season. Then, when something runs out it will run back to this corner quickly. Did the tub out back and thus 50 shot in the wind.
