A NEW ‘fitness’ trend encourages women to compare their waist size to a sheet of A4 paper. The Chinese craze involves holding up the paper, which has a width of just 21cm, against the body.

Hiding your waist behind an A4 sheet of paper isn't something everyone — or even the average U.S. woman — is able to do. That being said, whether you're able to do it isn't even important.

A woman holds a blank sheet of paper as demonstrators protest the deaths caused by an apartment complex fire in Urumqi, Xinjiang, China, at the Langson Library on the campus of the University of ...

Since protests began on Friday, Chinese citizens have taken to holding up blank A4 sheets of paper. The paper symbolizes their anger against Chinese authorities and China’s harsh lockdown measures.