Compatibility: Fit For ZTE Tempo X(N9137),ZTE Avid 4,ZTE Blade Vantage (N837/Z839),ZTE Fanfare 3 and Phone case With HD Screen Protector Firm but Flexible: Flexible inner silicone combined with tough outer plastic to make it an excellent Bezel Protectoion,anti-scratch,durable.Silicone corner design to protect your phone from falling. Great fit and protection to the phone. The sparkles move across screen, coming in a quick fashion, and fitting like a dream. Non-Slip Grip & User-Friendly Technology: Easy to grip and slides easily in and out of your pocket, easy to snap on and off with precise cutouts for easy access to ports and buttons Warranty/Replacement/Refund:Our products comply ROHS standard and approval SGS certification .It comes with a 30 days warranty. If the model has any defective, please email us for replacement or refund. We will reply you within 24 hours. and give you a satisfactory answer.