Mini Magflap - Magnetic keyhole Draught ExcluderTM Patent Pending and design registered we are the manufacturer of this great energy saving device The dimensions are 34mm Diameter and 7mm thick ,these are a quick fit solution and simply stick on to smooth clean surfaces (carefull not to peel off the adhesive layer : ) and close magnetically to seal out the cold completely Magnetic keyhole draught excluder High quality Metal , easy to fit and proven to work! Reduces cost of bills, by preventing heat-loss through keyholes Unlike other draught excluders, Magflaps magnetic closing doesn't let the heat out or the cold in. Internal or external fit Stick on with self adhesive backing or screw on - will fit most mortice locks and handles with mortice key locks Made from metal and 99% recyclable. Please note colours may look slightly different due to lighting and photography