Compatibility: For Vauxhall Astra H (20042009) Material and safety: Made from quality PP material, this rear window guard prevents your dog from jumping out of the car window, helping to reduce injuries and accidents. Design and storage: Foldable and easy to store. When not in use, it folds and can be tucked inside the car window, easily fitting into the passenger compartment or a small storage space. Ventilation and protection: Provides window vents and guards to promote fresh air circulation inside the vehicle while preventing pets from jumping out or sticking their heads out of the windows while the vehicle is in motion. Use scenarios: Daily driving with a dog in the back seat of a Vauxhall Astra H, providing secure containment and peace of mind. Long road trips where airflow is beneficial, while keeping the pet safely inside the cabin. Quick errands or parking situations where you need to store the guard compactly when not in use.