| 摘要 |
Nestable packaging lids are described. Generally, the packaging lids include a generally planar lid member having an upper surface and a lower surface, a plurality of dome expansions extending upwardly from the lid member, and a plurality of elongate projections extending downwardly from the lower surface of the lid member. Each dome expansion defines a downwardly facing recess and includes a base perimeter defining a base center, and the dome expansions are arranged in longitudinal rows and transverse columns. In an implementation, at least one projection is disposed transversely between a longitudinally adjacent pair of dome expansions and at least one projection is disposed longitudinally between a transversely adjacent pair of dome expansions.
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