The Sony Xperia S comes with special protection

Engineers coat the body of the Sony Xperia S with a special layer.

In recent years, we’ve seen a variety of protection solutions that manufacturers have been trying to make users as rugged as possible, but Sony is now using an unprecedented protection solution in its upcoming device. The essence of the layer, officially called “anti-stain” protection, is that if the housing of the device becomes cluttered from the outside, we can re-create it in a few minutes, so we promise our mobile phone can look as it did when we bought it. So let's see the technique during "operation":

Source: dailymobile.se