4-Tier Foldable Storage Shelf Collapsible Storage Rack with Lockable Wheels-Black

● 4-tier design keeps a variety of items organized● Foldable metal frame allows for easy assembly● Space-saving storage shelf makes full use of space● Powder-coated metal tubes account for reliable structure● Reinforced back bracket for enhanced support ● With anti-toppling device to avoid wobbling and enhance stability● Equipped with 4 smooth rolling casters for easy movement ● 2 casters with lockable design keep the storage rack in place● Slot design for easy assembly and saving much effort● Used as a bookshelf plant stand or tool storage rack etc