ZTE ZMAX Case, ZTE Z970 Case, iThrough Dual-layer Stand Function Protection Cover Carrying Case for ZTE Z970 (Black) ZTE ZMAX Case, made of durable plastic and anti-stretch TPU rubber and is safe and convenient to use. Dual layer design with a stand function. You can easily enjoy videos or movies anytime and anywhere. Protect your phone from dirt, scratches and bump and makes a good partner for your phone. Bright and colorful appearance case, light weight and comfortable to the touch. ZTE Z970 Case. Open-face design allows you to directly access all buttons, ports and controls on your phone.