Mobile Storage Containers, Portable Storage Containers, PODS, Pod, Mobile Mini. Cool Box Portable Storage delivers portable storage solutions for residential or business moving, and for storage. Our goal at Cool Box Portable Storage is to provide our customers with an easier and more cost-effective alternative to conventional storage and moving. Compare us to Pods, Portable Storage. Cool Box Portable storage is the new way to move and store. The most significant difference between portable storage and traditional self-storage is that you are no longer required to rent a truck to transfer your belongings back and forth from your location to a storage facility.