Alternatively, Ryanair's website says passengers can bring a small bag (40 x 20 x 25cm) on board for free or purchase cabin baggage (55 x 40 x 20cm).
Meanwhile, the Bordlite Under Seat Cabin Bag measures 40 x 20 x 25cm.
Jet2 says: "You may carry on board one piece of hand luggage free of charge, as long as it weighs no more than 10kg and is no larger than 56cm x 45cm x 25cm."
For reference, the store's Salisburys Light Luggage Carry-On Cabin Backpack measures 55 x 40 x 20cm.
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