Xperia Z1 Phone Case Part 2 (XZPCP2) and Xperia Z1 Phone Case Part 1 (XZPCP1), once combined, are designed specifically for model C6903. Other model(s) which has similar design can also be used with this phone case. Available as a 'FIRST TO TRY' product in many materials such as Strong & Flexible Plastic, Frosted Ultra Detail, Acrylic Plastic, Stainless Steel, Sandstone and Raw Aluminum. Recommend choosing a different color for each part in order to make the BABYNIZER text to pop up.