Patent ID: 8056750

Claim:
A container having a base and a lid formed of plastic sheeting which has been deformed, wherein: the base and the lid are centered on a vertical axis and the base and the lid each has a trapping section and an opening section generally perpendicular to the vertical axis, the trapping section of the base having a trapping wall that allows the trapping section of the lid to be pushed down to an installed position and then resists the trapping section of the lid from being pulled up; the opening section of the lid comprises a lid tab having a slot and an outer tab wall at the top of the slot; the opening section of the base comprises a base tab that lies in the slot above said outer tab wall, wherein the lid tab cannot be pulled up without removing the outer tab wall from a location directly below the base tab; the opening section of the lid further comprises at least one breakable joint line between an inner edge of the slot and a periphery of the outer tab wall, and removal of the outer tab wall from below the base tab requires breaking the joint line.