Economy class customers on China Eastern Baggage policy are typically permitted to bring one piece of carry-on luggage, with maximum dimensions of 55 x 40 x 20 cm and a maximum weight of 5 kilogrammes. First-class and business travellers could receive larger allowances. For the most accurate and current information on carry-on size restrictions, travellers should visit the airline's official website or get in touch with customer care, as regulations may change depending on the route and type of ticket. Following these recommendations guarantees a smooth boarding procedure and assists travellers in avoiding any annoyances during security inspections.