This reusable, temporary black out blind is ideal for aiding an uninterrupted nights sleep, by preventing light, even around the window edge from entering the room. The easy to tear perforated sheets can be cut to size or overlapped and simply pushed onto the window. The Magic Blackout Blind requires no tac, tape or glue and leaves no marks on the window once it is removed. As well as blocking out light it reduces heat and helps to keep rooms cooler. Ideal for bedrooms or for using on holiday. Not suitable for textured, pattern glass, velux windows or roof lights. Supplied as 8 metre roll containing 10 perforated sheets measuring 600 x 800mm (24 x 32").