▲Sun protection and shade: Blackout roller blinds block out part of the sun, blocking external light and heat and keeping the room temperature cool, it also offers some privacy protection and darkens the room even during the day, which can improve your sleep quality and create a comfortable space for you to live and relax. ▲Quality materials: Window blackout roller blinds are assembled with high quality polyester and metal rods, silver coated on the back, come in a variety of classic colours and feature light reflection, greenhouse reduction, glare elimination and robustness for use throughout the year. ▲Easy to install: The blackout roller blinds are installed with suction cups or hooks, no drilling is required, no damage to the wall and can be easily installed and removed. A set of blackout roller blinds comes with the accessories needed for both types of installation, so you can place them wherever you need to protect yourself from the sun. ▲Easy to carry: The suction cup roller blinds have an automatic retractable function, are lightweight and durable, do not take up much space, are quick to store and can be carried around, allowing you to protect both your indoor furniture and other items such as your car from excessive sunlight, and can meet the needs of a wide range of places. ▲Very versatile: Blackout roller blinds are suitable for all types of windows and can be used in various scenarios such as offices, cars, kitchens, bedrooms, living rooms, bathrooms, balconies, children's rooms, skylights, etc. It can be installed on a variety of glass or smooth surfaces.