Compatible with Cadillac CT4 models 2020, 2021, 2022. Please verify fitment before . materials: interior constructed from flame retardant cotton. Five layers of thick material provide tear resistance and effective sun reduction in summer. Create a comfortable environment: blocks glare on the edges of the windshield. The flexible edge protector helps block about 80% of the sunlight heat entering the windshield. Easy to use and store: open the parasolstyle shade to install and fold in seconds without suction cups or adhesives. The foldable sun shade is compact and convenient for daily use and can be stored easily in the car door pocket. Use scenarios: Parking outdoors in strong sun to keep the vehicle interior cooler and protect the dashboard. Daily errands and short trips where quick deployment and removal are convenient. Road trips or shopping outings where a portable shade is beneficial and easy to carry in the door pocket.