The Gadget Guard Black Ice edition glass screen guard offers superior protection for a user's device. The optical grade tempered glass is incredibly strong scratch resistant and treated to repel annoying smudges. The Black Ice glass screen protector allows for simple install just lay the glass screen over the touch screen tap it in place and it will affix itself to the touch screen. Black Ice edition black screens are so strong Gadget Guard is willing to bet $150 that your customers' screens won't break. In the rare event this happens Gadget Guard will send your customer a $150 check - upon receiving the repair receipt or the damaged phone should they decide to replace it - to help cover costs.