Machined from solid aluminum and precision designed to fit, Bump Gear Plus for iPhone 6s/6 Plus takes a step up in protection with an injection molded rubber lining. Bump Gear Plus for iPhone 6s/6 Plus is machined aluminum protection with an interior rubber lining. This means that no metal touches your iPhone body. You get the premium look of metal on the outside and soft rubber on the inside. No tools or screws required, Bump Gear Plus is easy to install and remove. For an added touch of luxury, volume and lock buttons are protected by machined metal button covers.