Compatible with BMW 7 Series 2016 2019 Material Made of PP material, designed to be safe and practical for your pet's safety and comfort. Key benefits Safe ventilation for pets: The window vent guard provides ventilation and fresh air for dogs when the rear window is partly open, while keeping your dog securely inside the vehicle during movement. Secure containment: Prevents the dog from escaping through the rear window area when the car is in motion. Practical design: The scalable design increases window space to enhance ventilation without compromising safety. Easy installation and fit Easy to use: Installation is simple and quick with no tools required. Adjustable fit: Scalable design allows the window area to be widened for better airflow and comfort. Use scenarios Road trips and highway drives: Use when the rear window is partially open to improve ventilation while keeping your dog safely contained. Daily driving and errands: Suitable for short or long trips where you want fresh air without risking pet movement inside the car. Multi pet or longer journeys: Helps provide ample space and airflow for pets during longer travels while maintaining security.