If you want to take your bird out for a walking,biking or hiking, a bird carrier with great ventilation and shade cover is a good choice,that can keep them pack out of direct sunlight and qiuck dissipate heat. So as you can see, there are 3 air holes, two side mesh and front mesh. All mesh design with lockable shade cover. Are you still frustrated that your bird's tail is too long and you don't have a suitable bird carrier? This will be a pity. The size of our bird carrier backpack is 14"L*10"W*17"H, what’s more our bird carrier backpack provides adjustable height standing perch, which can be adjusted according to the size of your bird. Durable thicken anti-grab mesh material and anti-pecking band on edge of front door, you never worry about your bird escaping from the bird backpack. And the removable tray and bottom metal net inside the cage which are convenient for cleaning.