• 1. Blocks out light; Special fabric cuts out light. Can be used comfortably with air conditioners and improves fuel economy effects: *This product is a front set. Not a full set • 2. Waterproof function (Uses waterproof fabric to prevent the sunshade from getting wet from frost adhering to the glass surface) • 3. Cushioning function: The core material is made of lightweight cushioning material. Also helps prevent scratching of glass.] • 4. Easy to put on and take off (Uses a simple suction cup, so it is easy to put on and take off) • 5. Made of lightweight urethane foam. [Very light and the shade itself is not ribble. ]