"Now you should never wear synthetic materials on an airplane, because if you're in an instance where the airplane goes down or there's a fire on the plane, synthetic material actually melts and will melt to your skin.".
"There's one thing you should never ever wear on an airplane and it could save your life if you don't wear it," she said.
"It just means that synthetic fiber materials do cause burns at a higher rate and synthetic fibers also ignite much more quickly.".
In the caption of the video, Mari wrote: "You should never wear this one thing on an airplane.
People were quick to comment on the video, with one writing: "Flight attendant here: Especially don’t wear synthetic tights.