You do not need to soil your décor with sticky tape or fixers because LightsOut Pop Up Blinds fix directly to the window with a custom designed sucker. In no time parents will be able to apply or remove LightsOut XL Pop Up Blinds in 10 seconds. No other product of its type is so easy to use and they can be applied to any window in the house. Feel free to take them on holiday or when visiting relatives. The material used in LightsOut XL Pop Up Blinds has been designed to be total blackout and it will sustain repeated setting up and taking down. When not in use the unique folding design allows it to fold almost flat and fit into a carry / storage bag. Heavy duty stretch and tear resistant fabric stops both sunlight and artificial light disturbing a good night's sleep, and is perfect for the long days of the summer months.