SOGA ZTE Compatible case, Model Obsidian Case, SOGA [Smart Defender Series] Hybrid Grid Armor Case for ZTE Obsidian Z820 (T-Mobile) - Black/Black High quality double layer armor case. Case / Cover is made of dual layer combination of hard plastic shell case with a soft flexible silicone skin cover that can maximize your phone's protection Compatible for ZTE Obsidian Z820 Smart design, gives you total access to all functionality and buttons without removing phone from hybrid case SOGA branded products have 90 day warranty included