1. Easy to install: Our blinds are attached with suction cups without stickers or messy adhesive that will damage the window. 2. Easy to adjust and use: The sunshade can be adapted to any window size, suitable for sliding doors, floor-to-ceiling windows and skylights. The retractable window roller blind can be carried on the go, the lightweight door curtain, the sturdy suction cup can be easily fixed on the window. 4. Wide application: This window shade can be used on car windows, bedrooms, offices, kitchens, bathrooms and other glass or smooth surfaces. It can be installed in any place that needs to block the sun. 5. Easy care: machine wash in cold water and hang dry. Quick iron or steam clean if necessary. No bleaching.3. Optical function: It adopts an optical mesh design, which can block the glare of sunlight, prevent harmful ultraviolet rays and other harmful heat from entering, while providing excellent vision.