Since you specially opts for an original product and the size does not fit ?! There is a round cutout for the lens ring of S90 on the front pocket. This cut is so imprecise situated that the camera can not be pushed all the way into his pocket. Thus, the lid does not close properly and is now a little. I have serious concerns that the lid (with magnetic closure) jumps up by itself and the camera (such as walking) unnoticed falls. Two stars there only because of the magnet closure Although closes, but not how it should be. A Velcro could be better. Conclusion: A lousy performance for a genuine Canon product. Should it be a production mistake and I get a replacement product that fits, I'll change the review accordingly.