For BMW X1 (20102023) quality material: Made of PP material that is safe and practical for pet safety and comfort during car travel. 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 and preventing escape while the vehicle is moving. Easy to install: Quick, tool installation. The scalable design fits a variety of window openings, making the windows more spacious and improving ventilation. Why you need this Keeps your pet comfortable and secure during travel by providing airflow without risking escape. Reduces driver distraction by containing the dog in a safe area and preventing sudden movement toward the window. Works with rear window partly open to maintain fresh air circulation without compromising safety. Key benefits and standout features Compatibility: Specifically designed for BMW X1 models from 2010 to 2023. Durable, safe material: PP construction for everyday use and pet safety. Ventilation without compromise: Allows airflow while keeping the pet secure inside the vehicle. Tool, adaptable install: No tools required; scalable design accommodates different window sizes for better fit and ventilation. Use scenarios Family road trip with a mediumsized dog: Enjoy fresh air while the dog remains safely contained. Quick city errand on a warm day: Leave the rear window partly open for air circulation without risking the dog's safety. Long highway drive: Maintains stable airflow and pet containment, reducing driver distraction during travel.