Applicable models: For FIAT viaggio 2012 2018. Material and safety: Constructed from PP material; safe and practical to help ensure the safety and comfort of your pet. Protection and fit: Prevents your pet from sticking their head out of the car window while ventilating; the pet window vent can be easily extended and retracted to accommodate windows of different widths and configurations. Storage and portability: Foldable for storage; when not in use, it can be folded and stored inside the window and easily fits into a compartment or small storage area. Use scenarios: City or highway driving with the window partially open for airflow, while keeping your pet safely inside. Long road trips where adjustable extension accommodates various window sizes and ensures controlled ventilation. When switching between vehicles or storage spaces, quick folding allows compact transport and easy storage in a small area.