The trunk shape of Mazda’s design proves to be useful. It’s convenient to put small luggage in 121 cargo space. You can use 250 liters capacity of trunk in Mazda 121. You can usually get more than 250 liters by putting down back seat in 121. In 1997 it was decided by the Mazda to provide these figures.
Check also if your luggage in 1998 Mazda isn’t heavier than needed. Overloading Mazda 121 might be a great problem in future. The number of 250 liters cargo space is provided by Mazda and is appropriate for vehicle.