Compatible for ZTE Obsidian Case | Z820 [Slim Duo] Hard Shell Snap On Case Compact Fitted Cover Matte Finish on Black Sea Ocean Design by TurtleArmor - Cute Penguin Rubberized Coating- Allows for grip when holding your device in your hand Raised Edges - Protects your screen when placed face down Hundreds of Designs to Choose From - Offers a variety of unique, cool, and custom designs Two Piece Snap On - Front and back pieces snap together over your phone for a secure fit Designed to fit the ZTE Obsidian Z820