Origami General Purpose 4 Steel Collapsible Shelf Storage Rack with wheels, Large in Black Opens and folds in seconds. No tools required for setup. Folds flat for easy storage Shelf Capacity: 250 lbs. per shelf on level surface evenly distributed or 75 lbs. per shelf on wheels evenly distributed Great for storage of any kind: Garage, Warehouse, Office, etc. Locking wheels included