Lights Out Blinds is a simple, inexpensive way to darken rooms. You can use them at home, rented properties, hotels, and holiday cottages when travelling. These blinds fit most windows and are easy and safe to use. They take seconds to put up and easy take down. Each pack contains two blinds, offering positioning flexibility and no size adjustments necessary. No pulleys, ropes or complicated mechanisms, simply stick the sucker to the middle of any window and pull the cord to secure in place – easy!