Prevue Pet Products Empire Macaw Cage 3157 is one of the largest cages on the market. The roomy square top design gives even the largest bird plenty of space to play and explore. Cage assembles easily with slip in mesh panel construction and flathead hex bolts that can not be unscrewed by birds. Cage stand base features easy rolling casters and the interior floor grille can be removed to add 10 of additional living space. Pull out bottom grille and tray make cleaning easy, while rounded corner seed guards keep your floors clean too.