The Symmetry Series is an elegant and precisely constructed protective case for your smartphone, and its one-piece design makes it easy to install. Made from two materials, the Symmetry Series is one of the slimmest and most protective cases in its class, built to military standard Mil-Spec. The raised, textured edge helps better secure the touchscreen, while the internal material and honeycomb structure protect the smartphone against impacts and shocks. A wide range of patterns and colors offers users personalization options. The slim, simple Symmetry Series provides the style you want and the protection you need. Tested by us. Designed for you. At OtterBox, we have an engineering team passionate about creating truly great products. Our ongoing efforts in development and design have already led to more than 300 patents. We test every design and material to ensure that the products can withstand the demands of everyday life. Each design must endure an average of over 238 hours of testing and more than 24 different tests.