Low-cost airline Ryanair has issued a strong warning to passengers who travel with black, navy or grey suitcases, advising them to 'change' their baggage to prevent any mix-ups upon arrival.

The budget carrier recommended travellers make their checked baggage more distinctive on the carousel due to how widespread these colours are.

In a statement, Ryanair said: "Make it easier to spot your checked-in luggage on the carousel, especially if your luggage is black, navy or grey (like 99.9 per cent of the population). Add a colourful luggage tag or ribbon to the handle so that there's no confusion on arrival."

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Ryanair also recommends passengers create duplicates of their passport, driving licence, and/or ID card and email them to themselves. It's also suggested to photograph these documents and store them on your phone for offline access at your destination, reports the Express.

The news comes after Ryanair introduced a new policy allowing travellers to bring larger carry-on bags through security. The airline permits each passenger to bring one free carry-on bag on board, provided it fits under their seat.

Those wishing to bring an additional carry-on bag will need to purchase this privilege via Ryanair's Priority Boarding service. Passengers can now bring a personal bag measuring 40 x 30 x 20cm, a change that applies across all airports serviced by Ryanair.

Ryanair's CMO Dara Brady announced earlier this week: "From today (Thurs, 4 Sept) Ryanair's new, bigger free carry-on bag is now 33% larger than the EU standard. Our bag sizers at all airports have now been "resized" to accommodate this bigger, free carry-on bag."

He added: "All passengers wishing to bring a second carry bag can do so by availing of our Priority Boarding service, and passengers can also purchase check-in bags, should they so wish, during their booking process."

Mr Brady concluded: "We hope our customers will enjoy these bigger, free carry-on bag sizes, but any passenger who fails to comply with these new generous limits, will be required to pay the checked in bag fee at the boarding gate."

Ryanair has made a significant change to its hand luggage policy, allowing passengers to bring larger bags on board. Previously, the airline permitted a carry-on bag measuring 40 x 25 x 20cm with a volume of 20 litres at no extra cost.

However, the new rules increase this allowance to 24 litres. This means that Ryanair's 'personal bag' allowance now exceeds the EU standard.

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