I've seen that white-on- red cross before. So now it's the Swiss Army Bag? The Victorinox 20-inch Mobiliser, please.

What's so special about it? It's very bright red: noticeable, hard to lose - unless you choose the black one.

You don't buy a bag for it's colour. OK, what about its patented tri-fold garment hanger? Wrinkle-free suit transportation in a piece of luggage small enough for the aircraft cabin.

How does it manage that? Like the name suggests, it folds the suit in three - nothing else like it, the makers say. Actually works.

And I suppose it has a built-in corkscrew, magnifying glass and hoofpick? No, but it does get registered on a database, and if it does disappear there's a year's free insurance. And it comes with wheels, turns on a sixpence and has lots of zips and pockets.

So what's the downside? A bit heavy when you're not wheeling - 4.5 kg/10lb.

But your cabin allowance in economy is as low as 6kg/13lb. Well spotted - so it's one for the business class traveller, who's allowed up to 18kg, or 40lb.

How much? £279 from Selfridges, Harrods or Case. Phone 0116 234 4644 for your nearest stockist.