The nifty gadget was shown off by manufacturer Luxe Bags on TikTok and hides a wealth of secret pockets and pouches.
As show in the clip, it starts out in a flat rectangle with two small wings shooting off to the side.
The whole length of the bag can then be unzipped to be used for longer clothes like tops, trousers and jackets.
You can then pop any smaller nick-nacks in the side wings – in the video they stuffed them with things like earphones and a toiletries case.
The bag then folds along itself to convert into a conveniently sized holdall-style case.
Amazingly, that can itself be unzipped at the top and filled up with shoes or smaller clothes.
The wings then fold up and are zipped into the rest of the frame to create a Tardis-like self-contained carry-on.
The delighted mum who posted the instructional captioned it: “I got my daughter this bag so she never has to check a bag [in] again.
“This makes it so easy for her to travel.”
The genius contraption allows her to fit a whole holiday wardrobe into an easily portable, cabin-legal piece of luggage.
Social media commenters went wild for the product.
One begged: “So where can one buy such an amazing bag?”
Another asked: “What wizardry is this?”
And a third joked: “Take our money.”
It comes after a frequent flyer revealed why a red passport cover could save you from ruining your holiday.
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