From the maker of the famous Pelican® cases, this Micro Case is perfect for storing phones, GPS units, radios, etc. It is waterproof, dustproof, and crush-resistant, and has an automatic purge valve to accommodate pressure changes caused by changes in altitude or weather systems. Made of rugged transparent polycarbonate. In direct sunlight, the air inside a transparent case heats up and causes condensation, to reduce this use desiccant packs. Inside dimensions are 16.2 x 6.7 x 5.2cm. Outside dimensions are 19 x 10 x 6cm. Great for rugged sports. Not for swimming or submerging. IPX7 rated to protect against heavy rains and quick dips up to 1m.