It is composed of two cardboard tubes, a smaller one on top of a bigger one.

ECONOMIST: American contemporary art

Wiltshire Police said the ashes had been kept in two cardboard tubes which were inside a bag near the fireplace where Mr Tye had liked to sit.

BBC: Veteran George Tye's ashes stolen from Melksham home

The show used the shabbiest possible effects, plus a fly-by-night attitude toward narrative logic, although its low budget was as much a feature as a bug: it made something out of nothing, much the way Abed and Troy constructed their Dreamatorium engine out of cardboard tubes and a funnel.

NEWYORKER: Fantastic Voyage

With that sort of incentive, toothpaste tubes need not come in redundant cardboard boxes and television sets can leave the store with no boxes at all.

WSJ: Grappling With a Garbage Glut