This convertible 2 in 1 dog cart bike is a great way to maintain an active lifestyle and can be ready to go in minutes. The mesh zippered screen on the front and back and the meshed windows on the side allow for maximum airflow for your pet. With this pet trailer that you can you hook up to your bike you just put your pet inside, store your cargo in the convenient back storage unit and you’re off. The removable clear plastic cover for front door to provide a better view.