More Details - iPhone 3G 3GS Gummy Cover, Black/Transparent Clear
Most silicone cases are extremely
light weight and rubbery; this is where the case differ. A merge between
highly durable hard plastic materials that you find in many electronics
packaging, silicone for it's flexibility and is somewhat crystal clear with
a gummy feeling. Together these elements give your phone, the best possible
protection and grip without having you to sacrifice style.
Features
Hard Plastic Case back
Reinforced silicone case - more durable than standard cases
Extra grip and traction to surfaces
Flexible nature - conforms to your phone case, but does not stretch