Stackable Bird Cage: 2 bird cages and 1 stands are included in the packing list if you choose 2 pack of bird cage. You can use these two bird cages separately or stack them together. Pls kindly note that do not exceed three layers for safety. Divided breeding cage: The dividing grate helps divide these wide bird cage into two individual breeding/living spaces for housing two or more birds. Each bird cage system contains 2 perches, 2 feeders, a front door with lock, a side nesting door, pull-out tray and grate. Or you can take out the mesh divider to make them bigger cages for your feathered friends. Ideal for small birds: This two divided breeder cages measure 37.6’’/95.5cm long, 18’’/45.5cm wide, and 41.5’’/105cm high with 0.4’’/1cm wire spacing each, which is perfect for housing 3-4 small birds such as lovebirds, canaries, finches, parakeets, cockatiels, Caiques, Quaker parrots, green cheeks, budgies.