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.
About Rolling:
Rolling refers to any type of carry-on roller bag or luggage that features propelling rolling wheels underneath for easy transport on many different types of surfaces.
Upright Rolling bags usually have concealed telescopic handles that can be extended and adjusted to fit the person's height for maximum ergonomic benefit.