Multi-compartment container and lid assembly

A divided container system comprising:

• a master tray having an interior portion and a peripheral top edge, the interior portion configured to receive a plurality of separate sub-trays;
• at least one insertable sub-tray positionable within a first area of the interior portion of the master tray, the sub-tray being sized to occupy less than the entire interior portion and being interchangeably positionable in other areas of the interior portion, the sub-tray including a peripheral top edge, an interior portion, and a bottom surface having a feature for holding the sub-tray in place relative to the master tray when the sub-tray is positioned in the master tray;
• the master tray further having a bottom surface adapted to mate with the feature of the sub-trays;
• the sub-tray having a sub-tray lid insertable within the interior portion of the sub-tray;
• a master lid separate from the sub-tray lid and configured to sealably engage both the master tray and the sub-tray at least when the sub-tray lid is on the sub-tray, the master lid having an upper surface, a lower surface arrangeable to abut with the peripheral top edge of the sub-tray positioned in the master tray to thereby seal the interior portion of such sub-tray from the interior portion of the master tray;
• and a peripheral sealing surface for sealable contact with the peripheral top edge of the master tray.