Cold boxes were used to store valuables, such as security keys.
The Bureau of Ships and Services within the Galactic Empire utilized Coldboxes to store transponder data that was contraband to the public. One of these cold boxes ended up stolen and eventually found its way into Nebit's clan in 0 BBY/0 ABY.
- Star Wars: Episode IV A New Hope (First appearance)
- Crisis on Cloud City (First mentioned) (First identified as Cold box)