efficiency sun protection: blocks UV rays and minimizes heat buildup to keep the car interior cooler while protecting skin and surfaces from UV damage. Constructed from PVC material. Simplified deployment: adjustable length design for easy installation and compact storage; quick retraction function at the touch of a button; suitable as a sun shade for a baby in the back seat. Flexible installation options: clips and suction cups provide stable sun protection that won't fall off; easily adjusts to any window size; two flexible installation methods to fit different car models. Versatile protection: 15.7 x 17.5 inches retractable sun shade; compatible with all types of cars and SUVs; delivers comprehensive sun and privacy protection anytime and anywhere. Practical use scenarios: use as a sun shade for a baby in the back seat on sunny trips; install to keep the cabin cool and protect interiors on hot days; use at home or studio windows when shade or privacy is needed.