The 5 Cities 55cm backpack trolley bag is a lightweight, versatile cabin luggage solution designed to meet airline rules for Ryanair Priority, easyJet, British Airways, Jet2 and more. With a 42L capacity and measuring 55x35x20cm, it provides generous suitcase style storage while being compact enough for hand luggage. Built with a durable two wheel base, rigid back frame, PVC protection bar and EVA panels, it withstands frequent travel. The multi purpose design lets you roll, carry or wear as a backpack with adjustable straps. A handy front pocket keeps passports and essentials close at hand, and when not in use it stores neatly for your next trip. 5 Cities 55cm Cabin Backpack Trolley Bag Lightweight Carry On Luggage in Black