Very nice 4K steelbook, BUT, the artwork advertised on Best Buy website is slightly wrong. There are no borders on either the front or the back of the steelbook as advertised, but the title "FROZEN" is debossed. The 4K UHD blu-ray disc art being advertised is also different from the actual 4K disc art. As for picture quality, it is a good uptick compared to the standard blu-ray disc. The biggest takeaway for the 4K disc is that the movie is in the original 2.39:1 aspect ratio. The standard blu-ray that was released back in March 2014, which is also the same as the one included in the steelbook, had an aspect ratio of 2.24:1.