Lumia 640 Case, CoverON [Aurora Series] Cute Rhinestone Bling Stud Diamond Cover Skin Phone Case For Microsoft Lumia 640 - Hot Pink / Black CoverON [Aurora Series] diamond bling hybrid case for the Microsoft Lumia 640 Soft flexible silicone inner cover and a rigid plastic outer layer Embedded diamond bling design to personalize the look of your Microsoft Lumia 640 Premium dual layer armor for full body phone protection 90 day manufacturer warranty