Constructed of solid steel with water-resistant powder coating, this substantial bird cage boasts high strength, good durability and safety. With a cage size of 18'' L × 18'' W × 24''H and a bar spacing of 3/8'', this rolling bird cage will give your petite feathered friends plenty of room to roam about and stretch their wings. It is specially designed for small-sized birds like budgies, canaries, cockatiels, finches and parakeets. The convenient features like the open-top design, 360-degree wheels, feeder doors, and slide-out tray make everything easier for first-time bird owners.