Made of particularly high-quality, flexible magnetic sheet; permanently magnetic and reusable. Adheres securely to all ferrous surfaces. The magnetic signs can be easily relocated in the event of changes. Can be written on with all commercially available felt-tip pens and markers or stuck on with self-adhesive labels and writing tape.- Permanent magnetic sheet 0.9 mm thick- Colour: yellow- 100 pieces = 1 packMagnetic storage signs also available in white, light red and light green (see accessories).