For the finest in sleek, durable protection, the Slider Case for iPhone 3G is made of hardshell plastic and features a minimal wall thickness of 1mm. Interior rubber guardrails provide shock absorption in addition to impact and scratch protection. Features: Durable iPhone 3G protection. Lightweight hardshell plastic construction. Direct access to widescreen. Easy access to all controls and device features. Allows charging while in case or bottom cover slides away for docking. Soft touch finish.