UNQUITI TuMax Plastic+Silicone rubber Hybrid Case(Green) Image Case for Nokia Lumia 521 - DESIGN (Police-in-a-Box) Compatibility - Made for Nokia Lumia 521, Carrier - T-Mobile Hard plastic case layer provides fit and strong protection Silicone inner layer provides shock resistant and better grip on hand. Buttons, camera, LCD screen and connectors accessible with case installed Custom made fit the particular phone model perfectly