For the 2012 release of on 3D Blu-ray, the "solid paper" you’re referring to is likely the cardboard slipcover . This initial pressing featured a glossy cardboard sleeve that fits over the standard plastic case.
: A 14-minute featurette where the voice actors (including Ben Stiller and Chris Rock) discuss their characters. Madagascar 3- Europe-s Most Wanted -2012- 3D Br...
In the third installment of the Madagascar franchise, Alex the Lion (Ben Stiller), Marty the Zebra (Chris Rock), Gloria the Hippo (Jada Pinkett Smith), and Melman the Giraffe (David Schwimmer) are back, this time joining a traveling circus in Europe. Madagascar 3: Europe's Most Wanted For the 2012
Madagascar - Europe's Most Wanted | Official Site - DreamWorks Animation Alex the Lion (Ben Stiller)