This spacious bird aviary with extension gives birds a secure area to move, play, and fly. The galvanized steel, steel frame is strong and suitable for outdoor use. Steel mesh panels provide ventilation and a clear view, while the lockable hinged door helps keep birds secure. It can also be used for other small animals such as rabbits, ducks, chickens, and geese. The aviary comes in silver and anthracite and measures 195.7" x 119.3" x 85" (W x D x H). The door measures 22.4" x 64.2" (W x H), and the mesh grid measures 0.4" x 0.4" (L x W). Assembly is required. Clear heavy snow from the roof regularly during winter to help prevent damage.