Poetic Borderline Bumper Case for Sony Xperia Z Smartphone (AT&T, T-Mobile, Sprint, Verizon) Dark Blue/Gray (Fixed Version)(3 Year Manufacturer Warranty From Poetic) Constructed from durable thermoplastic polyurethane and polycarbonate Bumper design protects the integral impact points on the device Raised lip for screen protection from surface scratches Razor-thin profile adds protection with little bulk Designed for the Sony Xperia Z. Made by Poetic.