Ryanair's baggage policy is designed to accommodate various travel needs. The Ryanair checked baggage size can be up to 81 x 119 x 119 cm, with a maximum Ryanair baggage weight limit of 20kg per bag. Passengers can purchase checked baggage based on their needs, with Ryanair baggage cost varying depending on the route and season. For carry-on, Ryanair allows a small bag that fits under the seat, with an option to purchase additional cabin bags. Be aware of Ryanair baggage charges for exceeding limits or additional baggage, and always review Ryanair baggage requirements before flying.