Sunrise, Fla. - Ballistic has added two new models to its namesake line of iPhone 4 cases.

The Ballistic HC (which stands for Hard Core) cases are engineered with four shock-absorbing layers, the company said. Features include an interchangeable outer gel skin layer, front-facing inward holster and built-in screen protector.

The new pink and red colors join the already-existing black model. Suggested retail is $49.99.