Type: Bumper Size: For Sony Xperia M4 Aqua Z1 Z2 Z3 Z3 Compact Design: Plain,Glossy,Metallic Function: Anti-knock Features: 360 Full Protection Back Cover Compatible Brand: Sony-Ericsson Material: Aluminum Frame + Mirror Acrylic Cover type: For Sony Xperia M4 Aqua Z1 Z2 Z3 Z3 Compact Z4 Z5 Z5 Compact case type 2: For Sony Xperia M4 Aqua Phone Back Cover Luxury Coque Rose Gold Bumper Hard Cover: For Sony Xperia M4 Aqua Z1 Z2 Z3 Z3 Compact Z4 Z5 Z5 Compact Compatible With (1): For Sony Xperia M4 M4 Aqua Mirror Case Compatible With (2): For Sony Xperia Z1 XA Coque Cover Compatible With (3): For Sony Xperia Z2 XA Case Compatible With (4): For Sony Xperia Z3 Z3 Compact Mirror Bumper Compatible With (5): For Sony Xperia Z4 Mirror Back + Aluminum Case Compatible With (6): For Sony Xperia Z5 Z5 Compact Metal Bumper Back Cover Coque