With good heat isolation efficiency, our windshield curtain can help your car to block most of the UV sunlight's harm perfectly. * This car window sunshade is retractable and it features with the automatic winding function that could be installed and retracted in just a few seconds. * Small and compact, simple and beautiful, effective and convenient to store. Could be custom-cut into the right size that fitting for your windshield. * Made of high-quality reflective aluminum film, effectively reflecting ultraviolet rays and equipped with fine workmanship and firm side suction cup that could hold up to extreme weight. * It is a convenient and practical item which fit well with most car windows that give you all the UV protection your car needs.