Compatibility: Volvo V40 2013 2019 Material and safety: Made of grade PP material. Safe and practical, designed to protect your pet while providing comfort. Ventilation and security: The window vent guard allows ventilation and fresh air when the rear window is partly open. It also keeps your dog secured inside the vehicle during motion and prevents escape. Easy installation: Window buckle slot design enables quick, tool installation on the car window. No additional tools required. Use scenarios: Daily city commuting with a dog: Provides airflow and containment for your pet during short trips. Long road trips: Maintains continuous ventilation while keeping the dog safely inside. Parking or highway stops: Lets in fresh air without the risk of the dog slipping out if the window is partly open. Overall benefits: Functionality: Combines ventilation with pet confinement in one guard. Compatibility: Specifically designed for Volvo V40 models from 2013 to 2019. Size and fit: Designed to attach easily to the car window without tools. Performance: Durable PP material offers safety and comfort for your pet during travel.