Backpacks are commonly used by hikers and students and are often preferred to carry heavy loads than normal handbags. In backpacks, the gravity of the weight put in it is on the lower back above the hip area instead of all the weight on your shoulder. Backpacks have two shoulder straps and are designed to be worn on the back giving you a hands-free option. They are commonly small to medium-sized and are designed to suit your needs for work or school. Although large backpacks are used by travelers mostly to travel around the world. The backpacks are also called rucksacks.