Donny,

The hard part is merely a protective, plastic cover to prevent the soft segment of the screen from being damaged. I don't think it is polorized, but you can determine this by merely taking a pair or polarized sun glasses and holding them over the screen, then rotate the glasses. If the image remains the same, the plastic cover is not polarized. If it turns black, the plastic cover is polarized. I only had one keyboard that had a polarized cover, and it has been gone for so many years I cannot remember the brand name.

Cheers,

Gary

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Travlin' Easy