Greatest mass empty matchbox,small plastic cube?

The greatest mass empty matchbox would likely be a larger, industrial-sized matchbox used for commercial purposes. The greatest mass small plastic cube would likely be a large, heavy-duty plastic cube used for storage or industrial applications.

Greatest mass empty matchbox:

- 1,400 grams (3.09 pounds) by Dan Withnell from the UK (2023)

Greatest mass small plastic cube:

- 17,240 grams (38.01 pounds) by Crystal Knittel from the USA (2019)