Military-Grade drop protection. Certified to meet or exceed MIL-STD-810G drop test standards. 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. Rubberized covers shield volume and power buttons while keeping them fully accessible Patented design provides two layers of protection. Exterior polycarbonate layer disperses impact while interior custom engineered soft acrylic layer absorbs shock. Custom-engineered soft acrylic liner protects ports from drops without compromising sound or photo quality.