To ensure that Presidio Clear offers the ultimate protection for your iPhone, it has been dropped from a height of 8 feet multiple times by a third-party laboratory. Impactium Clear is a dynamic shock-absorbing material that absorbs and disperses force away from your iPhone Impactium Clear raised bezel guards screen from direct drops onto phone face and prevents Damage when lying flat. We??ve created the slimmest dual-layer case Speck has ever made, without sacrificing protection. Presidio Clear??s materials resist turning yellow when exposed to UV light from the sun.