A briefcase made out of aluminum is most likely to be the thinnest; however if you really need a superthin briefcase, a portfolio might be the better option.
The thinnest plywood available on the market is typically around 1/8 inch thick.
The thinnest and strongest wire available on the market is typically made of tungsten or carbon nanotubes.
The McKlein W Series Willowbrook briefcase is available in six colors.
The thinnest drill bit available for purchase is typically around 0.0135 inches in diameter, also known as a 80 drill bit.
Rolling briefcase wheels are available at office supply stores such as Office Depot and Staples as well as their online stores. Rolling briefcases are becoming very common and parts are also available at Amazon.
The Solo Cases K85-4 Expandable Attache Briefcase is only available in Black.
Capelli D'angelo Angel Hair pasta noodle.
Briefcase is a noun.
The lawyer opened his briefcase.The thief ran away with my briefcase.
There is no briefcase that will do this, although you can get camera cases that are able to protect from this.
The possessive form of the singular noun briefcase is briefcase's.example: My briefcase's strap is broken.
The plural of briefcase is briefcases