The product is very easy to use. Rum around mobile and there you go "safe" by the world.
Unfortunately, it was not like that. Handy packed into your pocket and already the problem was there: The hook for opening opened constantly in my pocket.
The hook has then drilled into the fabric of the inner bag and I had to remove the Aluminum Bumper with mild violence. He was bent. You can bend it back though, but he no longer sits so long then fixed.
With repeated use, and back and Herger suction the S5 gets unfortunately also traces through the Bumper itself.
The price is still good. Shipping Faster!