Size is maintained by China Eastern Airlines

One piece of carry-on luggage, no bigger than 55 x 40 x 20 cm and no heavier than 5 kg, is often permitted for Economy class passengers flying with China Eastern Baggage policy. Higher allowances could be offered to first-class and business travellers. Carry-on size restrictions might change depending on the airline, so it's important for passengers to verify their exact itinerary or get in touch with customer support to find out the most recent information. Following these recommendations helps passengers avoid any difficulty during security inspections and guarantees a smooth boarding experience.