This aviary with extension provides a cosy and comfortable place for your birds to fly and play safely. Features: Sturdy frame: Steel is an exceptionally hard and strong material. It offers sturdiness and stability. Galvanisation provides better protection against corrosion and is useful for products that'll be used outdoors as well as in harsh environments. Thanks to the sturdy galvanised steel construction, this bird aviary is built to last Steel mesh grid: The budgie cage is equipped with steel mesh grids that prevent mischief and unexpected accidents. In addition, they also allow you to observe your birds daily and guarantee your birds a wide field of view and enough fresh air Ample activity room: The parrot cage provides your birds with ample activity room to walk around, play and fly around with ease. Besides, it is also suitable for other small animals such as rabbits, ducks, chickens, geese, etc Lockable door: The hinged door with a lockable system of the large bird cage ensure