Compatibility: Citroen C4 Cactus (2014) quality materials: Made from grade PP material that is safe and practical, helping to protect your pet while providing comfort. Safe ventilation for pets: The window vent guard allows ventilation and fresh air when the rear window is partly open. It keeps your dog secure inside the vehicle and reduces the risk of escaping while the car is in motion. Easy installation: The window buckle slot design enables tool installation directly on the car window for quick and convenient setup. Use scenario 1: On long road trips, the guard provides continuous airflow to your pet while maintaining containment, helping to reduce anxiety and distraction. Use scenario 2: During short trips in warm weather, you can maintain airflow with the window partially open, ensuring your pet stays cool and secure. Use scenario 3: While parked for errands or at stops, the guard allows ventilation without compromising pet safety, making car sessions more comfortable for both you and your pet.