Featuring interchangeable eyelets and AIR-SHIELD corners. Ultra clear PC backplate,honeycomb shockproof frame for dual protection. The frame is made of aviation-alloy and unique-engrave design to choose. Military grade drop-tested,certified with MIL-STD-810H drop-tested protection.Ready for harsh environments. Strengthen corners design,0.3mm higher than camera,0.5mm higher than screen,efficiently level up the drop protection and shock absorption.