Buy from Amazon : br br Pelican 0340 cube Case wFoam ( Black) br br Pelican cases are kept watertight through the use of a tongue and groove fit and a polymer o-ring br Pelican cases come standard with an Automatic Pressure Equalization Valve which releases built up air pressure while keeping water out br Pelicans Pick NPluck foam lets you customize the interior br Stainless steel reinforced padlock protectors br Pre-installed wheel plates with removable castors