With face masks being recommended for Kiwis using public transport and those areas in Alert Level 3 (due to the Coronavirus pandemic), its important to be prepared.
A 'candle test' is going viral online which is meant to show you the quality of your mask.
The test was popularised by US based scientist and TV show host Bill Nye. You simple light a match, candle or lighter and try to blow it out. If it stays lit then your candle is of a suitable standard.
A video on TikTok highlights the different types of mask options.
You can read the full mask guidelines on the World Health Organisation website.