Dual-layer perimeter, sleek, tough outer shell with strategic dual layer perimeter protects against impact and absorbs shock. Built tough & meets military standards - every GemShell case has been tested to meet or exceed MIL-SPEC drop-test standards and as designed for impact Patented raised bezel screen protection. Bezel rises above screen to guard glass from direct drops onto phone face and prevents screen from scratches when lying flat. Responsive button protection. Rubberized covers shield volume and power buttons while keeping them fully accessible Invisible protection with Microban.