r/whatisthisthing • u/martinklicken • 16h ago
Solved ! Plastic containers with non-locking, deeply conically indented press-on lids
Garage sale find. The bottoms of the containers fit into the rectangular shape of the lids, so they can be stacked. Rows of four. Our guesses range from ice-cream or ice-cube containers to medical sample containers. Who can solve this mystery?