Question about Gardinia Window film

If I look it up on Google I would say neither. 50 has a triangular pattern and 75 is white.
I bought this one and it is transparent and has a rough surface. It's a bit like satinised glass, I fitted it to my garage window and it's bubble-free with the right tool, but you have to cut it exactly to size. You can't see in from the outside, no matter how close you stand to it.