For ZTE Max N9520 Max + N9521 Customerfirst Cover Case [Sidestand Holster] Armor Heavy Duty Hybrid Premium Quality Cover - Includes Key Chain (Sidestand Holster Black) ZTE Max N9520 Max + N9521 Cover Case Inner enclosure hard shell constructed from impact-resistant polycarbonate and double-enforced with a shock absorbing silicone inner-sleeve. Corners feature double-thick silicone for outstanding protection against drops and other robust silicone--durable and absorbs impact force Designed to perfectly fit your phone and allows full access to all ports, buttons and features of your phone. A locking swivel belt clip is easily locked into an extended position and provides different viewing angles while watching movies or video calls, also rotatable 180 degrees It is user-friendly, and super easy to install. All openings are precisely cut to allow full access to all the wireless device functions - the dock connector, charger, side buttons, speaker, microphone and camera.