10-foot drop-protection with IMPACTIUM shock barrier ridges on the inside perimeter to compress on impact to absorb and disperse shock A polycarbonate outer shell and an inner IMPACTIUM lining are molded together to give you two layers of protection Raised bezel screen protection gives phone screen extra protection from scratching and shattering Angled raised ridges on the back provide a secure no-slip grip and help prevent phone from sliding off surfaces. Designed to allow for Qi wireless charging.