Good Housekeeping Anti-Frost Mat Say goodbye to hours spent arduously defrosting your freezer or chipping away to get at food. Simply place one of these clever anti-frost mats onto each shelf of your freezer to prevent any drainage blockage or frustrating ice blocks building up. It can be easily removed for cleaning and helps keep your freezer in top working condition without having to regularly defrost. Dimensions: H10 x W240 x D467cm