USDM ICB Motorsport Neo Chrome Iphone 4/4S Bumper. Machined out of billet aluminum and is finished in Neo Chrome. Very unique and looks amazing. Case is slim and minimalist designed to complement your iPhone 4/4s's silhouette. Weights a mere 25 grams or .88 oz. CNC on/off button is designed into the case to complete the clean lines. Comes with 6 Allen screws (2 extra) and Allen key for simple installation.
Here's how the case looks like installed on white 4s
The close up pics, accessible to all ports.
Here's how the case looks like installed on black 4s