Was really hoping for gloss, but looks okay all things considered--especially for the cost with a 4K disc. The satin finish does feel nice, though. And if you keep the slip on and squint your eyes, you can pretend it's full gloss.
So, super annoying when you want to display a cool steel like this in a protector but also want to watch the discs. So I put the discs in a replacement 4K 2-disc case and stuck this on it - really rough but does the job: