Topeakmart 61" Bird Cage Iron Pet Products Cockatoo Flight Cage Durable iron construction with non-toxic coated texture. Strong and steady metal main frame of quality craftsmanship. Large front swing-out door secured by a snapping closure with a lock button A flexible triangle to keep the door shut. Lower removable sliding metal tray for cleaning or to unveiling the extended bottom. 4 ball shaped swivel casters, tough and easy to move around,easy to assemble.