Compatibility Designed for BYD Tang EV (7 seats), model years 2021, 2022, 2023, 2024, and 2025. Material and safety Made of PP material that is safe and practical for pets. Built to help keep your dog secure inside the vehicle while allowing airflow. Ventilation and security Provides ventilation for pets when the rear window is partially open. Keeps your dog inside the car during motion, reducing the risk of escape. Design and fit Scalable, adjustable design to accommodate different window openings and maximize airflow. Aims to provide a more spacious window opening for better ventilation. Easy installation No tools required; quick and straightforward to install. Use scenarios Long road trips or highway driving with the rear window cracked for fresh air, while your dog remains securely contained. Daily commuting or warmweather drives where improved airflow helps pet comfort and safety. Quick stops or errands where you want ventilation without leaving the vehicle doors open.