Folds for Compact Storage When not in use, this Multi-Shelf Storage Organization Unit folds together to save space and be easily transported. No Assembly Required! To set up the Multi-Shelf Storage Organization Unit, simply pull on the outsides of the shelf to unfold. This unfolding mechanism allows you to set up and get to organizing in seconds! Ready When You Are The metal storage rack is set in seconds. Once unfolded, the heavy duty wheels allow your storage rack to move from room to room quickly and efficiently. As Simple as Can Be Our special folding design makes it simple and ready to use right out of the box!.