The number one rule is that you at least need to have one.
Your bag should be durable so that it can carry heavy things.
Office bags can also serve as a travel bag if required.
Want to carry a laptop? Take an office bag.
Contrasting your office bag with your clothes is a great idea!
The messenger bag is the latest trend of today.
A small travel bag is also fine if you don’t have much to carry.
The briefcase is best if you like to stay organized.
The shoulder strap on your messenger bag is quite useful.