The horror of each mobile phone or laptop user: scratches or scrapes. This shell no longer a problem! It protects the back and all narrow surfaces with a good 1 mm thick rubber covering against all harmful influences. Throw around the neighborhood, I would not so the Xoom, but push times over the table or a bump? - No thing more. However, the screen is left unprotected, which we recommend either to display film. And against the fat fingers it will continue to help only a cleaning cloth ...