Aluminum is a silvery white metal that is extremely lightweight and resistant to corrosion. Due to its versatility, strength and durability, aluminum is used in a wide variety of products some of which include water bottles, watches, cooking equipment as well as lightweight frame structures for luggage, suitcases or backpacks.
Briefcases are box-shaped bags that have handles (may have on one side or two) and may have shoulder straps. Briefcases are most often known for their use by professionals to carry important documents. Briefcases may also be designed to carry laptop computers.