MINDFOLD isn't just a sleepmask. It's a Relaxation Revolution! The Mindfold Relaxation Mask is a flexible black plastic face plate backed with a high-density soft foam padding. The foam padding has cutouts that allow you to experience total darkness even with your eyes open! Our new adjustable Vel cro head strap allows you to fit the Mindfold mask snuggly to your face. No more loose or sagging mask problems!