The K&H Buckle n' Go Pet Seat is designed to help keep your pet safe & secure. It's quick and easy to install too. Simply attach the lead to your pet’s collar or harness and then snap directly into any seatbelt buckle. The flexible design allows for use on either side of your vehicles back seat. Mesh side windows allow for your pet to see out, even when laying down. The mesh windows also allow extra airflow.