| 摘要 |
Containers having a cover and a base provide covers that may be locked together. In addition the container covers may be locked to a sidewall of the container base. The container cover includes a first closure portion and a cover engagement portion. The base includes a second closure portion and a base engagement portion. The first closure portion of the cover is sealingly engageable with the second closure portion of the base to define a sealed storage area. The cover engagement portion of a cover is releaseably lockable with the cover engagement portion of a second cover to form a locked cover stack. The cover engagement portion of the cover is also releaseably lockable with the base engagement portion of the base.
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