Supplied on an 8-metre roll that contains 10 perforated sheets each measuring 800mm x 600mm (32\" x 24\"), these Magic Blackout Blinds do not require any glue, tape or tac to fix onto windows.These blinds provide an effective solution when blocking out light and heat is needed. Ideal for bedrooms or for using when on holiday, they can be easily cut to the required size or overlapped. They are not suitable for use on textured, patterned glass or on roof lights and Velux windows.