MGT Hot Sale Ultra-thin 0.7MM Metal Bumper Protective Slim Frame Cover for iPhone 4 4S (Champagne Gold) Only 0.7mm Ultra-thin thickness You have a nice feeling when using this frame. Compatible with: Apple Iphone 4 4s Material: metal CThe bumper is 0.1 MM rises above the iPhone 4 4s screen The cases are lightweight, strong, durable, washable and impact