Unbreakable Kickstand: The ring kickstand has had million rotation tests; it worked perfectly with no problems so that you no longer need to worry about the ring buckle falling off. Stand function:The back of kickstand built-in metal plate, it can adsorb magnetic car holder (not included), perfect for car drive;after expand kickstand,allowing you to watch videos and movies with enviable comfort. Military grade technology:Dual layer combination structure is made of flexible TPU and high quality PC hard shell and integrated with metal ring kickstand by craftsmen. Lining: The interior of the case has a round-bubble design, to facilitate rapid heat dissipation, at the same time it will have a shock absorption effect if the phone is dropped. Compatibility: The case is compatible with the Motorola Moto Z4 6.4, please check the model of your phone before you buy.