Cute Pink 10litres backpack for women and girls. It has two shoulder straps which can be chained to make it single shoulder.

It has 3 compartments, one on front, one main and one on back.
There is inside secret pocket also whose zipper doesn't work but can be easily repaired in 10 to 20 rupees.

Last picture is uploaded after putting in a 14 inch laptop, to give better idea of size.