Complex sentence: Unique to Amuro's singles, the re-release was released in a hardpaper slipcase and pressed on a full-sized 5 "disc instead of the then industry standard 3" disc.
Split into simpler sentences: Unique to Amuro's singles, it was released in a hardpaper slipcase. The single was pressed on a full-sized 5 "disc instead the industry standard 3" disc.