Nowadays, most women carry briefcases. This is usual since most women work. Those who are executives carry briefcases. But this fact is not restricted anymore to those women walking on business shoes. That is to say that this fact is not restricted to 'business women'. Now, it is also common to see any women carrying briefcases in the street in bars, in the metro, etc. In general, a women's leather briefcase is used to carry papers and notebooks. Then, a women's leather briefcase is useful.
Why is a women's leather briefcase made of leather? A women's leather briefcase, as well as leather women's clothing, are made of that material for fashion purposes and other reasons involving trends, style, quality, etc.