Flowsell sells Australia's Best Healthcare Storage Systems. Supplies Top Quality Affordable Shelving Storage Unit for Hospital, Pharmacy and Retail. Call us A shelving storage unit is a piece of furniture or a structure designed for organizing and storing items on shelves. Shelving storage units come in various forms, sizes, and materials, and they are used in homes, offices, warehouses, retail spaces, and other settings to efficiently utilize space and keep items organized. • Shelving storage units typically consist of horizontal shelves supported by vertical posts or side panels. The design can vary widely, ranging from simple open shelving to more complex units with enclosed cabinets, drawers, or additional features.