Store, transport, and protect your gear with the lightweight and waterproof 4050E Hard Case without Foam. from HPRC. The case is black with a blue handle and can be used to carry audio, photo, or video equipment. It meets ATA 300 specifications for transit cases and the hard-resin shell is virtually unbreakable. The interior rubber O-ring ensures the case is air and watertight. Carry the case with the comfortable soft-grip handle. To maintain proper pressure, the case has an air pressure release valve.