Three Tier Bird Cage features: 3 stackable bird cages. Each bird cage (3 bird cages in this system) has a slide out tray, slide out metal grate, latch style lock, wooden perch and 2 swing out feeder doors and stainless steel seed/water cups, nest box door. Overall cage features: Wrought iron construction and non-toxic powder coated finish. 5/8″ bar spacing. 3.5 mm bar gauge. 4 rolling casters for easy moving. Easy assembly. Cage and stand are attached together. Stand is not a separate piece. Perfect bird cage for multiple small and medium birds from Cockatiels, Amazons to small African Greys