Easy to install - It has 5 strong magnets on the top of the shade that can be mounted on the steel car side window frame. Check your Car Side Windows or Door before Purchasing. It works for Metal Framed Window and Metal Framed Door which Magnet can attach to. | Sunlight protection - Need solar visor for side window? Polyester Fabric sunshades blocks most of the sunlight. It keeps cool back seat of your vehicle while traveling. It will become your sunlight protector especially the car window that are not tint. | Double secure - It has 4 suction cups on the sunscreen that can be attach to car window to secure the shades from your window. Warning : Please do NOT use on front or passenger side while car is moving. | Easy to store - You can slide to open the shade curtains. You can roll down the side window without taking off the curtain (Make sure detach suction cups before roll down the window). You can tie the sunshade curtains with the built in strap when it does not need. Keep it in your car as your favorite car accessories or travel accessories. | Widely cover any type of car rear window - The shade is bigger than general shade. can be covered side window up to Mid-Size Sedan and SUV (L=27 inches H=18.5 inches)