Backpacks are bags that possess two shoulder straps which allow the wearer to carry the bag on their back. Backpacks are often associated as a student's must have school accessory for carrying books, etc from class to class.
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.
