I had one of these for my S4 and loved it. Just received one for the S7 and it's exactly what I wanted to protect the screen when face down and keep the S7 back free of finger smudges. Very thin.
http://www.amazon.com/gp/product/B0...ag=hawk-future-20&ascsubtag=UUacUvbUpU5062870
http://www.amazon.com/gp/product/B0...ag=hawk-future-20&ascsubtag=UUacUvbUpU5062870