HPRC the watertight and unbreakable cases. HPRC can be used for all sorts of applications and for different areas: photograpy, industrial, military, nautical, police and many other uses. HPRC provide total protection to the equipment inside them, against dust, water,impacts, corrosion for chemical agents. Injection molded shell Self-customizable cubed foam interior Neoprene O-ring to keep the case air and watertight Meets or exceeds specifications from ATA 300, IP67, STANAG 4280 and DS 81-41 Temperature Rating of -32 to +176 F Air pressure release valve included Super-soft grip rigid handle Backed by a HRPC Lifetime replacement warranty