A container (110) includes a card holder (120) having a flap portion (126) for retaining a card against the exterior of one wall (116) of the container. The card holder is snap-fit to the wall and pivotable relative to the wall. The flap portion is biased against the wall in order to retain the card. A complementary dolly (80) includes a deck (83) having recesses (86) for receiving the casters (89') of a similar dolly stacked thereon. The recesses automatically align rotatable casters as they are inserted.