Superhero School Bag Size Chart

How To Measure Backpack Size

Measured in two ways:

1.Measuring the volume of the bag, which tells you how much it can hold. The volume of a backpack is measured using cubic inches or liters.

2.Measure  the specific dimensions of the bag (length, width, height, or depth).The superhero-themed backpack size go with the second method.more size check the product main picture.