Sold at an aggressive price and employing a design previously found in Griffin's same-named products for iPod nano and iPod touch, FlexGrip for iPhone 3G ($15) combines a two-tone silicone rubber case with a clear film screen protector and black cleaning cloth. The four available colors include a white face on frosted back, a black face on gray back, a hot pink face on light pink back, and a rich red face on lighter red back, each opaque in front…
