Abstract: A container system may include a vessel with a cavity for storing foodstuff and/or small items, and a cover for sealing the contents of the vessel. The cover may be reconfigurable from a first configuration to be transversely slid along a channel formed on an upper edge of the vessel and a second configuration to seal the vessel when positioned over the cavity. The cover may include a lid and an actuator to reconfigure the cover. The actuator may include an actuator plate and a plurality of struts arranged between the actuator plate and the lid. When the lid is positioned over the cavity, the actuator plate may be urged in a vertically upward direction relative to the vessel by the struts, to seal the lid against the vessel.