Permanent magnetic sheet: 0.9 mm thick 1 roll (10m long) = 1 pack For self-cutting to individual lengths Made of particularly high-quality, flexible magnetic sheet; permanently magnetic and can be used again and again Adheres securely to all ferrous surfaces When changes are made, the magnetic signs are easily relocated Can be written on with all commercially available felt-tip pens and markers or stuck on with self-adhesive labels and tapes.