1、Universal Design: Nylon mesh is stretchable and durable. It also works on most sedans, large hatchbacks with rectangular windows, sedans, small SUVs/overpasses, vans, with curved/rectangular windows. 2、UV and Insect Protection: The window covers are made of nylon, spandex and heavy duty rubber to help you with UV protection and prevent your kids from getting sunburned. 3、Breathable Mesh: The window shades are fully breathable and remain in the outer area of the window frame. So you can still roll the windows up and down and enjoy the breeze outside while avoiding direct sunlight. 4、Privacy Curtain: Camping car mosquito nets provide complete privacy and can be used as window privacy guards. Full coverage of the windows to protect you and your family. 5、Portable and Foldable: The compact and adjustable design allows you to install them in seconds! High elasticity is effortless. It's lightweight and easy to fold so it can fit into the glove box when in use.