The present invention relates to a closure (10) for a container (600) with a base element (100) and a flip-top lid (200) attached to said base element (100) by a hinge. The flip-top lid (200) can be moved between an opened and a closed position. The base element has a skirt (110) with attachment means (160) for attaching the closure (10) to the container (600), and said flip-top lid (200) has a top cover (210) and a sidewall (220). The closure (10) comprises an actuating region (400) with a latching element (420), wherein said actuating region (400) is tillable and/or deformable relative to the remaining regions of the sidewall (220) between a latching position and a released position. The present invention also relates to a container (600) with such a closure (10).