Fit ZTE Obsidian, One Tough Shield SLIM-FIT TPU Phone Case for ZTE Obsidian Z820 - (Blue Cassette) Compatible with: ZTE Obsidian Z820 Made of highly durable TPU (Thermoplastic Polyurethane) plastic material. Prevent dust and scratches. Flexible texture Surface. Grip-Friendly. No tool is required for installation. Full ports access for camera lens/buttons/charging. Phone is Not Included.