This piece was originally commissioned for a pair of newlyweds.
From the International Romantic Travel Bureau:
This special-edition Overly-Large Travel Trunk is designed and engineered for couples who want to take a romantic trip and fall even more deeply in love. Indeed, this trunk is so positively-roomy that couples may not only pack all they may require, but may also pack themselves.
Travellers have simply to check in their Overly-Large Travel Trunk at their nearest air or seaport and away they go. This deluxe luggage system is fitted with a fully functioning propellor and adheres to the highest seaworthy certification - Shipshape. Its smooth lines make it perfect for convenient and delightful travel upon any and all of the seven seas.