text: Indeed, MetaPapier is a new way of designing paper (or at least give it properties that it can't have on natural state!) and especially the wallpaper ... as a barrier anti-WiFi.
  Metapaper is a printed electronic application sprang from CTP research and partners', IMEP-LAHC laboratories, LCIS and from the collaboration of Ahlstrom industry.
  This wallpaper - which can be an under-layer to recover - is a small technological revolution : MetaPaper : The electromagnetic quietness (GSM or Wifi) with a revolutionary wallpaper.