Maximum Protect Your Kids and Pets From UV RaysThis car window sunshade was made of high quality nylon mesh, breathable and stretchy. The rear window curtains can effectively protect your kids and pet in the rear car from harmful UV rays and sun glare, reduces heat and prevents your children from getting burned or overheated. Fits All (98%) Cars SIZE (Rear window only) Car Rear Window Sun Shade is flexible and stretchable.Customized design Measuring stretches to 42.00"X 20.00", will fit most of car rear window. (truck, jeep or SUV, NOT MINIVAN)(Please measure your car rear window size before purchase) Raise & Roll Down The Windows FreelyThe mesh sun shade is breathable,its on the exterior of the door frame,you can roll down the windows freely to enjoy fresh air and beautiful view out side while staying protected from the sun Protect Your PrivacyThe sun shade for car window will create a privacy room for the seat passengers. You can see clearly form the car but Its hard to see the inside of the car from the outside. Your valuables leave in the car will not be coveted.