KingCase iPhone 3G & 3GS * Rubberized Slim Slider Twist Case (Navy Blue & Black) 8GB, 16GB, 32GB Rubberized Slim Slider Twist Case Designed Exclusively for iPhone 3G & 3GS Does Not Interfere With Any Controls or Functions Looks Great and Protects from Scratches, too! Available in 28 colors! Check other KingCase Products. Lifetime Replacement Guarantee!