The invention relates to a bag, basket, or container (1), with a substantially trough- or basket-shaped design having a rigid and/or reinforced base region (2), a circumferential side wall (3), and an upper region (4) which is open or can be opened, and is provided in this region which is open or can be opened with a rigid, substantially oval, elongated or rectangular circumferential frame (5) or reinforcement, and the frame has, on at least the surface facing away from the interior, a substantially circumferential groove (6) or edge for receiving a tightening and/or retaining means (7) of a sealing cover and/or for receiving a sealing cover (8).