| 摘要 |
A multi-layer container for storing and mixing related items comprises a primary container having a body, an invertable mixing tray, and a lid. The primary container has an interior surface defining a cavity with an open top surrounded by a circumferential collar. The mixing tray has a tray periphera l flange and a rim integrally formed with a tray outer wall sized to be tightl y nested in the cavity when arranged on the open top in a concave position. The lid has sealing means for compressing said tray peripheral flange agains t said circumferential collar when the tray is in the concave position while preventing contact between items arranged in different layers during storage and transportation. Additionally, the rim is sized to snap fit in the open t op when the tray is inverted and arranged in a concave position on the open top for increasing the volume of the primary container and allowing mixing.</SDO AB>
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