Abstract: A compact includes a cover which is hinged to the base by a hinge which includes a helical coil spring which is tensed by closing of the cover for storing energy that forces the cover open when the cover is released for opening. The closure for the compact includes a subassembly of a button, an apertured locking element and a pair of runners which cooperate with stops in the bottom of the base so that as a locking pin in the cover passes through the aperture in the locking element, the subassembly is effectively depressed and the runners are flexed for storing energy in the runners which thereafter restores the subassembly to its undepressed state with the pin locked in the locking element. The subassembly operates similarly to be self-restoring when the button is depressed for unlocking the pin whereby the bias provided by the coil springs the cover open.