Got to be honest I am not sure but they are sent by the same people who did the Vakuiti. It's worth a punt but I went for the Vakuiti on recommendation from another forum. The Vakuiti is the brand name for 3M which has always been a very good company so I do trust it.
My only worry is again will it fit. I hope so!!!!
Ah hold on - these are the guys who sent it to me:
Translated version of http://www.schutzfolien24.de/
The page should be translated but if not do a google search for bedifol and it will be the first to come up. Has a great comparison table right on the top so you can make your decision!
I went for the Vakuiti also because it is anti reflective and pretty strong....
If all works out but the Matt finish bothers me I would probably go for the DQC-160...
Oh and one last thing - Martin Fields and Brando are very good screen protectors but as of yet they don't have the Xperia ones out. So if you want to wait you could do well to go for those two....