Plastic container for food products

An upper container portion for a plastic container having a hollow interior for receiving food products therein, with the upper container portion comprising, in combination:

• a sidewall having a top, wherein the sidewall includes an inner surface and an outer surface;
• and a lip projecting radially inward from the top of the sidewall, with the lip including an outer annular portion extending from the sidewall, with the outer annular portion having an outer face extending upward away from the hollow interior of the plastic container at a small acute angle, with the outer surface of the sidewall and the outer face of the outer annular portion being interconnected at a rounded corner, with the outer annular portion having an inner face, with the inner surface of the sidewall and the inner face of the outer annular portion being interconnected at a rounded interconnection having a radius double of the rounded corner, with the lip including an inner annular portion radially inward of the outer annular portion, with the inner annular portion having an outer face extending from the outer annular portion downward towards the hollow interior of the plastic container, with the inner annular portion terminating in a free edge, with the lip having an upper surface including the outer faces of the inner and outer annular portions, with the upper surface being continuous and smooth to present a continuous seal area for a seal member by the lip independent of the deflection of the lip into the interior of the container.