Energy saving is now made easy with Heat Reflective Radiator Foil. Wall mounted radiators give off a lot of heat, but much if it ends up going into the wall and being lost. These smart high tech foil sheets reflect the heat back towards the room where it's wanted. The two ply sheets are covered with a thermoplastic polymer resin on one side and EPE, a lightweight polythene foam on the other. Comes in a sheet measuring 155cm by 55.9cm (61" by 22"), and can be cut to fit. Double sided tape included.