Choose Storage Post when moving homes, storing items for the summer or simply when you run out of space. Storage Post storage units come in locker size, 5x5, 5x10, 5x15, 10x10, 10x15, 10x30 and parking spaces so that you can find a new home for your items, no matter what the size. Options include climate-controlled units that are ideal for document storage as well as storage for RVs and boats