Magic Windscreen Protector and De-icer will help stop your car windscreen freezing in the snow and ice. Place the Magic Windscreen Protector sheets on your windscreen overnight and in the morning simply peel off. Your windscreen will be ice free. You can reuse the sheets as they are made from a lightweight plastic flim. Sheets will leave no marks on your windscreen. Simply fold up and keep to be used again. Comes on a convenient lightweight roll - 20 metres. Each rolls contains 25 perforated sheets measuring 60cm by 80cm.