Glitter Sequin Silver Magnetic Backing For Easy Stick. Reduce Heat Loss & Increase Energy Efficiency. This beautiful Sequin glitter magnetic material is easy to apply to any radiator around the home, will help reduce heat loss and add a amazing look to any room. Reduce your energy bills & Save energy with the Radiator Cover, which absorbs heat with a black rear backing.Working like a solar panel which Absorbs heat from the radiator and releases the heat over a longer period of time. 12inch by 24inch (1ft by 2ft width). Can easily be cut to size using a scissors. Other Glitter colour and sizes available.