Giantex Bird Cage Large Play Top Parrot Finch Cage Macaw Cockatoo Pet Supplies Black Lockable Wheel Set-- The wheel set of this item could help you to move the cage conveniently, it makes the place of the bird is flexible. The lockable design could fix the cage in specific area, the movement of cats would not affect the cage. It could make the cage more safe and stable. Large Inside Capacity-- Large inside room, which could totally hold several birds play in it. One pipe in the middle part provide space for birds . And one balcony for birds to play. Perfect Detail Workmanship-- High quality iron wire connecting procedure which could make this cage more durable and solid. And the structure follows the scientific principle and is strong enough to hold cats to play. Three Feed Door-- Three feed doors design on the surface , which could make the feed much easier. It provides you the possibility to let several people feed birds together. Easy to Assemble--This product has straight forward illustrations and descriptions. Every screw and pin has its own code and easy to understand the assemble progress.