OtterBox Defender Series Hybrid Case & Holster for iPhone 4 & 4S - Retail Packaging - Black

Ports are accessible and protected from dust and debris (view larger).
Defender Series
This is the case you need if you want to be careless, work in harsh conditions, are tough on technology, anticipate heavy use or are just plain clumsy. Enjoy your adventures, whatever they may be without worry of damaging your device along the way. This case is practically indestructible. Robust, 3-layer protection Built-in screen protector Port covers keep out dust, debris
Form
Design begins with the device. Thorough evaluation of the iPhone and its functions are taken into account as we develop and refine. From initial concept designs to final product drawings, every aspect of the iPhone is given careful consideration to ensure we create the most usable and protective solution possible. Robust silicone – durable and absorbs impact force Built-in screen protector – simplifies installation, protects from scratches and is easy to clean Engineered design is inspired by the iPhone – ergonomics feel good and accommodate natural use Aesthetics – textures and styling in combination with high quality materials create an attractive protective solution

Durable silicone absorbs impacts from bumps and shock (view larger).