Type: Suction Cup Roller Blinds, Retractable Roller Blinds, Sunshade Window Blinds, Blackout Curtains Description: The blackout window cover can be easily installed and removed without drilling and any damage to your window or wall by using suction cups. Features: Blackout window film completely darkens your windows let no light through and provide privacy. It is ideal for someone who needs a day's sleep. Provide a secure environment for you and your family. Protect your belongings from fading. Reduce heat and noise from outside. Can be applied to different kinds of windows, such as roof windows, and skylights. Suitable for use in home theatres, baby nurseries, children's bedrooms, living rooms, hotels, and so on. Also can be used as car sun shade cover. Installation steps: Install the suction cup on the metal hook. Install the suction cup on the window to expel the air. Install the suction cup on the bottom hook, suck it on the window, and discharge the air.Specifications: Material: PVC Color: Black Size(LxW): S: 125 x 40cm Package Contents: 1 x Retractable Roller Blinds