IPA29B General Spec Color black Material silicone Function non-slip， waterproof， dustproof and shockproof Compatibility iPhone 4G Features Easy access to all buttons， controls and ports without removing the shell. Designed to fit the contour of iPhone 4G precisely. Perfectly protect your iPhone 4G from bumps and scratches.    Package Details Weight: 155.15 g Size: 14.2*10.8*4.5 cm Package Includes 1 × Hand Grip Cover/ Skin Case for iPhone 4G